[ 66.641553][ T27] audit: type=1800 audit(1577271815.952:25): pid=9200 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 66.677088][ T27] audit: type=1800 audit(1577271815.952:26): pid=9200 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 66.721280][ T27] audit: type=1800 audit(1577271815.952:27): pid=9200 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 67.190186][ T9265] sshd (9265) used greatest stack depth: 22776 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.325849][ T322] kasan: CONFIG_KASAN_INLINE enabled [ 75.331354][ T322] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.339498][ T322] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.346442][ T322] CPU: 1 PID: 322 Comm: kworker/u4:5 Not tainted 5.5.0-rc2-next-20191220-syzkaller #0 [ 75.355960][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.366018][ T322] Workqueue: pencrypt_parallel padata_parallel_worker [ 75.372774][ T322] RIP: 0010:gcmaes_crypt_by_sg.constprop.0+0x1035/0x1aa0 [ 75.379782][ T322] Code: e8 00 6e 54 02 48 89 84 24 a8 00 00 00 48 83 c0 08 48 89 c2 48 89 84 24 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 30 09 00 00 48 8b 84 24 a8 00 [ 75.399367][ T322] RSP: 0018:ffffc90001f87750 EFLAGS: 00010202 [ 75.405413][ T322] RAX: dffffc0000000000 RBX: 0000000000004000 RCX: ffffffff838e4159 [ 75.413395][ T322] RDX: 0000000000000001 RSI: ffffffff838e41ab RDI: 0000000000000007 [ 75.421879][ T322] RBP: ffffc90001f87b20 R08: ffff8880a8bd03c0 R09: 000000000000000d [ 75.429838][ T322] R10: ffff8880a6f9e660 R11: 00000000000000d0 R12: 0000000000004000 [ 75.437795][ T322] R13: 0000000000000000 R14: ffff8880a6f9e300 R15: 0000000000004000 [ 75.445755][ T322] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.454691][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.461271][ T322] CR2: 000055b68b5f90f0 CR3: 00000000a0022000 CR4: 00000000001406e0 [ 75.469228][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.477280][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.485254][ T322] Call Trace: [ 75.488550][ T322] ? common_rfc4106_set_key+0x180/0x180 [ 75.494103][ T322] ? unwind_dump+0x100/0x100 [ 75.498696][ T322] ? profile_setup.cold+0xbb/0xbb [ 75.503710][ T322] ? unwind_next_frame+0x3b/0x50 [ 75.508644][ T322] ? print_circular_bug.isra.0+0x230/0x230 [ 75.514440][ T322] ? save_trace+0x3e/0x8c0 [ 75.518843][ T322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.525067][ T322] ? find_first_zero_bit+0x9a/0xc0 [ 75.530172][ T322] ? __lock_acquire+0x29c9/0x4a00 [ 75.535184][ T322] generic_gcmaes_encrypt+0x10d/0x160 [ 75.540546][ T322] ? helper_rfc4106_encrypt+0x390/0x390 [ 75.546094][ T322] ? padata_parallel_worker+0x1a3/0x470 [ 75.551634][ T322] crypto_aead_encrypt+0xaf/0xf0 [ 75.556573][ T322] simd_aead_encrypt+0x1a6/0x2b0 [ 75.561507][ T322] crypto_aead_encrypt+0xaf/0xf0 [ 75.566437][ T322] pcrypt_aead_enc+0x19/0x80 [ 75.571009][ T322] padata_parallel_worker+0x28f/0x470 [ 75.576374][ T322] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 75.582519][ T322] ? invoke_padata_reorder+0x40/0x40 [ 75.587790][ T322] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.593318][ T322] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 75.599282][ T322] ? trace_hardirqs_on+0x67/0x240 [ 75.604291][ T322] process_one_work+0x9af/0x1740 [ 75.609215][ T322] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.614575][ T322] ? lock_acquire+0x190/0x410 [ 75.619249][ T322] worker_thread+0x98/0xe40 [ 75.623769][ T322] kthread+0x361/0x430 [ 75.627824][ T322] ? process_one_work+0x1740/0x1740 [ 75.633021][ T322] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 75.638755][ T322] ret_from_fork+0x24/0x30 [ 75.643156][ T322] Modules linked in: [ 75.647116][ T322] ---[ end trace 0256b203eda58d3a ]--- [ 75.652686][ T322] RIP: 0010:gcmaes_crypt_by_sg.constprop.0+0x1035/0x1aa0 [ 75.659800][ T322] Code: e8 00 6e 54 02 48 89 84 24 a8 00 00 00 48 83 c0 08 48 89 c2 48 89 84 24 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 30 09 00 00 48 8b 84 24 a8 00 [ 75.659886][ T94] kasan: CONFIG_KASAN_INLINE enabled [ 75.679466][ T322] RSP: 0018:ffffc90001f87750 EFLAGS: 00010202 [ 75.684734][ T94] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.690821][ T322] RAX: dffffc0000000000 RBX: 0000000000004000 RCX: ffffffff838e4159 [ 75.698877][ T94] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 75.706831][ T322] RDX: 0000000000000001 RSI: ffffffff838e41ab RDI: 0000000000000007 [ 75.713756][ T94] CPU: 0 PID: 94 Comm: kworker/u4:2 Tainted: G D 5.5.0-rc2-next-20191220-syzkaller #0 [ 75.722364][ T322] RBP: ffffc90001f87b20 R08: ffff8880a8bd03c0 R09: 000000000000000d [ 75.733166][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.733185][ T94] Workqueue: pencrypt_parallel padata_parallel_worker [ 75.741174][ T322] R10: ffff8880a6f9e660 R11: 00000000000000d0 R12: 0000000000004000 [ 75.751307][ T94] RIP: 0010:gcmaes_crypt_by_sg.constprop.0+0x1035/0x1aa0 [ 75.751326][ T94] Code: e8 00 6e 54 02 48 89 84 24 a8 00 00 00 48 83 c0 08 48 89 c2 48 89 84 24 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 30 09 00 00 48 8b 84 24 a8 00 [ 75.751341][ T94] RSP: 0018:ffffc900011b7750 EFLAGS: 00010202 [ 75.758112][ T322] R13: 0000000000000000 R14: ffff8880a6f9e300 R15: 0000000000004000 [ 75.766053][ T94] RAX: dffffc0000000000 RBX: 0000000000004000 RCX: ffffffff838e4159 [ 75.773080][ T322] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.793681][ T94] RDX: 0000000000000001 RSI: ffffffff838e41ab RDI: 0000000000000007 [ 75.793688][ T94] RBP: ffffc900011b7b20 R08: ffff8880a900a480 R09: 000000000000000d [ 75.793695][ T94] R10: ffff8880a72b2660 R11: 00000000000000d0 R12: 0000000000004000 [ 75.793702][ T94] R13: 0000000000000000 R14: ffff8880a72b2300 R15: 0000000000004000 [ 75.793718][ T94] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.799769][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.807718][ T94] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.807726][ T94] CR2: 00007ffd0b0dbbb0 CR3: 000000008f7d9000 CR4: 00000000001406f0 [ 75.807736][ T94] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.807742][ T94] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.807747][ T94] Call Trace: [ 75.807766][ T94] ? stack_trace_consume_entry+0x190/0x190 [ 75.807792][ T94] ? check_noncircular+0x16d/0x3e0 [ 75.815760][ T322] CR2: 000055b68b5f90f0 CR3: 00000000a0022000 CR4: 00000000001406e0 [ 75.824708][ T94] ? common_rfc4106_set_key+0x180/0x180 [ 75.824722][ T94] ? __kasan_check_read+0x11/0x20 [ 75.824742][ T94] ? __lock_acquire+0x16f2/0x4a00 [ 75.832736][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.840672][ T94] ? __kasan_check_read+0x11/0x20 [ 75.840683][ T94] ? mark_lock+0xc2/0x1220 [ 75.840704][ T94] ? __lock_acquire+0x29c9/0x4a00 [ 75.848659][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.856604][ T94] ? __wake_up_common_lock+0xf8/0x150 [ 75.865757][ T322] Kernel panic - not syncing: Fatal exception in interrupt [ 75.872304][ T94] ? __kasan_check_read+0x11/0x20 [ 75.988456][ T94] ? mark_lock+0xc2/0x1220 [ 75.992861][ T94] ? find_held_lock+0x35/0x130 [ 75.997616][ T94] ? update_curr+0x3e0/0x8d0 [ 76.002201][ T94] ? __kasan_check_read+0x11/0x20 [ 76.007210][ T94] ? __kasan_check_read+0x11/0x20 [ 76.012221][ T94] ? __update_load_avg_se+0x6ef/0xc10 [ 76.017577][ T94] ? lock_downgrade+0x920/0x920 [ 76.022415][ T94] ? __enqueue_entity+0x142/0x390 [ 76.027457][ T94] generic_gcmaes_encrypt+0x10d/0x160 [ 76.032841][ T94] ? helper_rfc4106_encrypt+0x390/0x390 [ 76.038406][ T94] ? padata_parallel_worker+0x1a3/0x470 [ 76.044033][ T94] ? __kasan_check_read+0x11/0x20 [ 76.049068][ T94] crypto_aead_encrypt+0xaf/0xf0 [ 76.054028][ T94] simd_aead_encrypt+0x1a6/0x2b0 [ 76.058959][ T94] crypto_aead_encrypt+0xaf/0xf0 [ 76.063891][ T94] pcrypt_aead_enc+0x19/0x80 [ 76.068470][ T94] padata_parallel_worker+0x28f/0x470 [ 76.073848][ T94] ? invoke_padata_reorder+0x40/0x40 [ 76.079120][ T94] ? trace_hardirqs_on+0x67/0x240 [ 76.084132][ T94] process_one_work+0x9af/0x1740 [ 76.089060][ T94] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.094420][ T94] ? lock_acquire+0x190/0x410 [ 76.099102][ T94] worker_thread+0x98/0xe40 [ 76.103607][ T94] kthread+0x361/0x430 [ 76.107659][ T94] ? process_one_work+0x1740/0x1740 [ 76.112854][ T94] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 76.118577][ T94] ret_from_fork+0x24/0x30 [ 76.122982][ T94] Modules linked in: [ 76.128039][ T322] Kernel Offset: disabled [ 76.132382][ T322] Rebooting in 86400 seconds..