Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. 2019/08/06 17:03:45 fuzzer started 2019/08/06 17:03:51 dialing manager at 10.128.0.26:44947 2019/08/06 17:03:52 syscalls: 2367 2019/08/06 17:03:52 code coverage: enabled 2019/08/06 17:03:52 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/08/06 17:03:52 extra coverage: enabled 2019/08/06 17:03:52 setuid sandbox: enabled 2019/08/06 17:03:52 namespace sandbox: enabled 2019/08/06 17:03:52 Android sandbox: /sys/fs/selinux/policy does not exist 2019/08/06 17:03:52 fault injection: enabled 2019/08/06 17:03:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/08/06 17:03:52 net packet injection: enabled 2019/08/06 17:03:52 net device setup: enabled syzkaller login: [ 136.093328][ C0] ================================================================== [ 136.101577][ C0] BUG: KMSAN: uninit-value in kmem_cache_alloc_node+0x5d0/0xe70 [ 136.109309][ C0] CPU: 0 PID: 12857 Comm: syz-fuzzer Not tainted 5.3.0-rc3+ #16 [ 136.117641][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.127784][ C0] Call Trace: [ 136.131066][ C0] [ 136.134373][ C0] dump_stack+0x191/0x1f0 [ 136.138976][ C0] kmsan_report+0x162/0x2d0 [ 136.143472][ C0] __msan_warning+0x75/0xe0 [ 136.148056][ C0] kmem_cache_alloc_node+0x5d0/0xe70 [ 136.153356][ C0] ? __alloc_skb+0x215/0xa10 [ 136.158232][ C0] __alloc_skb+0x215/0xa10 [ 136.162650][ C0] aoecmd_cfg+0x205/0xa80 [ 136.167096][ C0] discover_timer+0x86/0xa0 [ 136.171695][ C0] call_timer_fn+0x232/0x530 [ 136.176293][ C0] ? skbfree+0x4a0/0x4a0 [ 136.180792][ C0] __run_timers+0xcdc/0x11a0 [ 136.185395][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 136.191536][ C0] ? skbfree+0x4a0/0x4a0 [ 136.196437][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.202427][ C0] run_timer_softirq+0x2d/0x50 [ 136.207197][ C0] ? timers_dead_cpu+0x9d0/0x9d0 [ 136.212125][ C0] __do_softirq+0x4a1/0x83a [ 136.216704][ C0] irq_exit+0x230/0x280 [ 136.220875][ C0] exiting_irq+0xe/0x10 [ 136.225113][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 136.230466][ C0] apic_timer_interrupt+0x2e/0x40 [ 136.235476][ C0] [ 136.238854][ C0] RIP: 0010:kmsan_get_shadow_origin_ptr+0x299/0x3a0 [ 136.245423][ C0] Code: 63 c5 48 3d ff 4f 04 00 0f 86 c1 00 00 00 31 db e9 c8 fd ff ff 4c 89 f7 e8 a4 f3 ff ff 48 85 c0 0f 84 b4 fd ff ff 48 8b 70 40 <48> 85 f6 0f 84 a7 fd ff ff 48 8b 48 48 49 89 dc 48 85 c9 0f 84 9a [ 136.265014][ C0] RSP: 0018:ffff8880aebff480 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 136.273600][ C0] RAX: ffffea000369bfb0 RBX: ffffffff902c1000 RCX: 000000000369bfb0 [ 136.281873][ C0] RDX: 00000000aebffbb8 RSI: ffffea00036550b0 RDI: ffff8880aebffbb8 [ 136.289836][ C0] RBP: ffff8880aebff4b0 R08: ffffea000000000f R09: ffff88812fffb000 [ 136.297972][ C0] R10: 00000000000000b2 R11: ffffffff8bb9b4b0 R12: 0000000000000004 [ 136.305942][ C0] R13: ffff8880aebffbb8 R14: ffff8880aebffbb8 R15: 0000000000000004 [ 136.314006][ C0] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 136.319543][ C0] ? _copy_to_iter+0x6d/0x26e0 [ 136.324502][ C0] __msan_metadata_ptr_for_load_4+0x10/0x20 [ 136.330466][ C0] _copy_to_iter+0x88/0x26e0 [ 136.335152][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.341132][ C0] simple_copy_to_iter+0x92/0xb0 [ 136.346154][ C0] __skb_datagram_iter+0x67e/0xf00 [ 136.351378][ C0] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 136.356960][ C0] skb_copy_datagram_iter+0x29c/0x2b0 [ 136.362323][ C0] tcp_recvmsg+0x1e61/0x4ff0 [ 136.366978][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.373212][ C0] ? tcp_mmap+0x150/0x150 [ 136.377630][ C0] ? tcp_mmap+0x150/0x150 [ 136.381967][ C0] inet_recvmsg+0x237/0x7d0 [ 136.386474][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 136.391264][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.397232][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 136.402103][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 136.406873][ C0] sock_read_iter+0x5be/0x660 [ 136.411631][ C0] ? kernel_sock_ip_overhead+0x340/0x340 [ 136.417251][ C0] __vfs_read+0xa67/0xc90 [ 136.421601][ C0] vfs_read+0x359/0x6f0 [ 136.425753][ C0] ksys_read+0x265/0x430 [ 136.429986][ C0] __se_sys_read+0x92/0xb0 [ 136.434479][ C0] __x64_sys_read+0x4a/0x70 [ 136.439182][ C0] do_syscall_64+0xbc/0xf0 [ 136.443599][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 136.449568][ C0] RIP: 0033:0x47fcb4 [ 136.453455][ C0] Code: ff ff cc cc cc cc e8 2b 41 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 45 31 d2 45 31 c0 45 31 c9 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 136.473130][ C0] RSP: 002b:000000c4202bf710 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 136.481741][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fcb4 [ 136.489871][ C0] RDX: 0000000000001000 RSI: 000000c4202fa000 RDI: 0000000000000003 [ 136.498019][ C0] RBP: 000000c4202bf760 R08: 0000000000000000 R09: 0000000000000000 [ 136.505981][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020 [ 136.514027][ C0] R13: 0000000000000020 R14: 0000000000000004 R15: ffffffffffffffff [ 136.522091][ C0] [ 136.524413][ C0] Uninit was stored to memory at: [ 136.529509][ C0] kmsan_internal_chain_origin+0xcc/0x150 [ 136.535217][ C0] __msan_chain_origin+0x6b/0xe0 [ 136.540225][ C0] ___slab_alloc+0x1dbc/0x1fb0 [ 136.545087][ C0] kmem_cache_alloc_node+0x769/0xe70 [ 136.550457][ C0] __alloc_skb+0x215/0xa10 [ 136.554858][ C0] aoecmd_cfg+0x205/0xa80 [ 136.559169][ C0] discover_timer+0x86/0xa0 [ 136.563660][ C0] call_timer_fn+0x232/0x530 [ 136.568321][ C0] __run_timers+0xcdc/0x11a0 [ 136.572997][ C0] run_timer_softirq+0x2d/0x50 [ 136.577746][ C0] __do_softirq+0x4a1/0x83a [ 136.582316][ C0] irq_exit+0x230/0x280 [ 136.586450][ C0] exiting_irq+0xe/0x10 [ 136.590769][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 136.596228][ C0] apic_timer_interrupt+0x2e/0x40 [ 136.601234][ C0] kmsan_get_shadow_origin_ptr+0x299/0x3a0 [ 136.607107][ C0] __msan_metadata_ptr_for_load_4+0x10/0x20 [ 136.612979][ C0] _copy_to_iter+0x88/0x26e0 [ 136.617572][ C0] simple_copy_to_iter+0x92/0xb0 [ 136.622507][ C0] __skb_datagram_iter+0x67e/0xf00 [ 136.627737][ C0] skb_copy_datagram_iter+0x29c/0x2b0 [ 136.633264][ C0] tcp_recvmsg+0x1e61/0x4ff0 [ 136.637856][ C0] inet_recvmsg+0x237/0x7d0 [ 136.642360][ C0] sock_read_iter+0x5be/0x660 [ 136.647043][ C0] __vfs_read+0xa67/0xc90 [ 136.651532][ C0] vfs_read+0x359/0x6f0 [ 136.655788][ C0] ksys_read+0x265/0x430 [ 136.660358][ C0] __se_sys_read+0x92/0xb0 [ 136.664766][ C0] __x64_sys_read+0x4a/0x70 [ 136.669468][ C0] do_syscall_64+0xbc/0xf0 [ 136.673876][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 136.679750][ C0] [ 136.682149][ C0] Uninit was created at: [ 136.686398][ C0] kmsan_internal_poison_shadow+0x53/0xa0 [ 136.692129][ C0] kmsan_slab_free+0x8d/0x100 [ 136.696792][ C0] kmem_cache_free_bulk+0x3ad9/0x3f50 [ 136.702154][ C0] __kfree_skb_flush+0xb0/0x100 [ 136.706992][ C0] net_rx_action+0x1908/0x1950 [ 136.711852][ C0] __do_softirq+0x4a1/0x83a [ 136.716337][ C0] irq_exit+0x230/0x280 [ 136.720750][ C0] do_IRQ+0x20d/0x3a0 [ 136.724808][ C0] ret_from_intr+0x0/0x33 [ 136.729110][ C0] ================================================================== [ 136.737431][ C0] Disabling lock debugging due to kernel taint [ 136.743684][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 136.750487][ C0] CPU: 0 PID: 12857 Comm: syz-fuzzer Tainted: G B 5.3.0-rc3+ #16 [ 136.759572][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.769640][ C0] Call Trace: [ 136.772915][ C0] [ 136.775888][ C0] dump_stack+0x191/0x1f0 [ 136.780229][ C0] panic+0x3c9/0xc1e [ 136.784143][ C0] kmsan_report+0x2ca/0x2d0 [ 136.788630][ C0] __msan_warning+0x75/0xe0 [ 136.793121][ C0] kmem_cache_alloc_node+0x5d0/0xe70 [ 136.798392][ C0] ? __alloc_skb+0x215/0xa10 [ 136.802993][ C0] __alloc_skb+0x215/0xa10 [ 136.807426][ C0] aoecmd_cfg+0x205/0xa80 [ 136.811753][ C0] discover_timer+0x86/0xa0 [ 136.816238][ C0] call_timer_fn+0x232/0x530 [ 136.820808][ C0] ? skbfree+0x4a0/0x4a0 [ 136.825145][ C0] __run_timers+0xcdc/0x11a0 [ 136.829914][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 136.836083][ C0] ? skbfree+0x4a0/0x4a0 [ 136.840424][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.846389][ C0] run_timer_softirq+0x2d/0x50 [ 136.851224][ C0] ? timers_dead_cpu+0x9d0/0x9d0 [ 136.856170][ C0] __do_softirq+0x4a1/0x83a [ 136.860811][ C0] irq_exit+0x230/0x280 [ 136.864992][ C0] exiting_irq+0xe/0x10 [ 136.869132][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 136.874488][ C0] apic_timer_interrupt+0x2e/0x40 [ 136.879507][ C0] [ 136.882453][ C0] RIP: 0010:kmsan_get_shadow_origin_ptr+0x299/0x3a0 [ 136.889028][ C0] Code: 63 c5 48 3d ff 4f 04 00 0f 86 c1 00 00 00 31 db e9 c8 fd ff ff 4c 89 f7 e8 a4 f3 ff ff 48 85 c0 0f 84 b4 fd ff ff 48 8b 70 40 <48> 85 f6 0f 84 a7 fd ff ff 48 8b 48 48 49 89 dc 48 85 c9 0f 84 9a [ 136.908654][ C0] RSP: 0018:ffff8880aebff480 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 136.917058][ C0] RAX: ffffea000369bfb0 RBX: ffffffff902c1000 RCX: 000000000369bfb0 [ 136.925200][ C0] RDX: 00000000aebffbb8 RSI: ffffea00036550b0 RDI: ffff8880aebffbb8 [ 136.933157][ C0] RBP: ffff8880aebff4b0 R08: ffffea000000000f R09: ffff88812fffb000 [ 136.941127][ C0] R10: 00000000000000b2 R11: ffffffff8bb9b4b0 R12: 0000000000000004 [ 136.949100][ C0] R13: ffff8880aebffbb8 R14: ffff8880aebffbb8 R15: 0000000000000004 [ 136.957075][ C0] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 136.962640][ C0] ? _copy_to_iter+0x6d/0x26e0 [ 136.967423][ C0] __msan_metadata_ptr_for_load_4+0x10/0x20 [ 136.973333][ C0] _copy_to_iter+0x88/0x26e0 [ 136.978242][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 136.984237][ C0] simple_copy_to_iter+0x92/0xb0 [ 136.989251][ C0] __skb_datagram_iter+0x67e/0xf00 [ 136.994348][ C0] ? skb_copy_datagram_iter+0x2b0/0x2b0 [ 136.999987][ C0] skb_copy_datagram_iter+0x29c/0x2b0 [ 137.005348][ C0] tcp_recvmsg+0x1e61/0x4ff0 [ 137.009948][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 137.015994][ C0] ? tcp_mmap+0x150/0x150 [ 137.020304][ C0] ? tcp_mmap+0x150/0x150 [ 137.024693][ C0] inet_recvmsg+0x237/0x7d0 [ 137.029317][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 137.034155][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 137.040140][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 137.044883][ C0] ? inet_sendpage+0x2c0/0x2c0 [ 137.049661][ C0] sock_read_iter+0x5be/0x660 [ 137.054339][ C0] ? kernel_sock_ip_overhead+0x340/0x340 [ 137.059965][ C0] __vfs_read+0xa67/0xc90 [ 137.064373][ C0] vfs_read+0x359/0x6f0 [ 137.068526][ C0] ksys_read+0x265/0x430 [ 137.072758][ C0] __se_sys_read+0x92/0xb0 [ 137.077158][ C0] __x64_sys_read+0x4a/0x70 [ 137.081651][ C0] do_syscall_64+0xbc/0xf0 [ 137.086140][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 137.092104][ C0] RIP: 0033:0x47fcb4 [ 137.095983][ C0] Code: ff ff cc cc cc cc e8 2b 41 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 45 31 d2 45 31 c0 45 31 c9 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 137.115573][ C0] RSP: 002b:000000c4202bf710 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 137.123984][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fcb4 [ 137.132227][ C0] RDX: 0000000000001000 RSI: 000000c4202fa000 RDI: 0000000000000003 [ 137.140200][ C0] RBP: 000000c4202bf760 R08: 0000000000000000 R09: 0000000000000000 [ 137.148180][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020 [ 137.156306][ C0] R13: 0000000000000020 R14: 0000000000000004 R15: ffffffffffffffff [ 137.166095][ C0] Kernel Offset: disabled [ 137.170515][ C0] Rebooting in 86400 seconds..