Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts. 2021/05/03 14:10:23 fuzzer started 2021/05/03 14:10:23 dialing manager at 10.128.0.169:44661 2021/05/03 14:10:23 syscalls: 3571 2021/05/03 14:10:23 code coverage: enabled 2021/05/03 14:10:23 comparison tracing: enabled 2021/05/03 14:10:23 extra coverage: enabled 2021/05/03 14:10:23 setuid sandbox: enabled 2021/05/03 14:10:23 namespace sandbox: enabled 2021/05/03 14:10:23 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 14:10:23 fault injection: enabled 2021/05/03 14:10:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 14:10:23 net packet injection: enabled 2021/05/03 14:10:23 net device setup: enabled 2021/05/03 14:10:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 14:10:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 14:10:23 USB emulation: enabled 2021/05/03 14:10:23 hci packet injection: enabled 2021/05/03 14:10:23 wifi device emulation: enabled 2021/05/03 14:10:23 802.15.4 emulation: enabled 2021/05/03 14:10:23 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 72.138217][ T8430] general protection fault, probably for non-canonical address 0xdffffc0000177541: 0000 [#1] PREEMPT SMP KASAN [ 72.149977][ T8430] KASAN: probably user-memory-access in range [0x0000000000bbaa08-0x0000000000bbaa0f] [ 72.159903][ T8430] CPU: 1 PID: 8430 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.169813][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.179985][ T8430] RIP: 0010:skb_release_data+0x3a0/0x750 [ 72.185949][ T8430] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 30 00 0f 85 d3 02 00 00 49 63 c4 48 c1 e0 04 4a 8b 6c 28 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a7 02 00 00 48 8b 45 08 31 ff 48 89 c3 48 89 [ 72.205920][ T8430] RSP: 0018:ffffc9000162f878 EFLAGS: 00010206 [ 72.212087][ T8430] RAX: 0000000000177541 RBX: 0000000000000011 RCX: 0000000000000000 [ 72.220487][ T8430] RDX: ffff888022330000 RSI: ffffffff8703c746 RDI: 0000000000bbaa08 [ 72.228807][ T8430] RBP: 0000000000bbaa00 R08: 0000000000000011 R09: ffffffff90207957 [ 72.237033][ T8430] R10: ffffffff8703c733 R11: 0000000000000009 R12: 0000000000000010 [ 72.245124][ T8430] R13: ffff88802ee87ecc R14: dffffc0000000000 R15: ffff888015533780 [ 72.253121][ T8430] FS: 000000c00002e890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.262327][ T8430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.269195][ T8430] CR2: 000000c000708000 CR3: 000000001cd21000 CR4: 00000000001506e0 [ 72.277164][ T8430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.285129][ T8430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.293274][ T8430] Call Trace: [ 72.297351][ T8430] __kfree_skb+0x46/0x60 [ 72.301664][ T8430] tcp_recvmsg_locked+0x130f/0x22f0 [ 72.306897][ T8430] ? tcp_splice_read+0x8b0/0x8b0 [ 72.311828][ T8430] ? mark_held_locks+0x9f/0xe0 [ 72.316628][ T8430] ? __local_bh_enable_ip+0xa0/0x120 [ 72.321971][ T8430] tcp_recvmsg+0x134/0x550 [ 72.327522][ T8430] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 72.333423][ T8430] ? aa_sk_perm+0x311/0xab0 [ 72.338462][ T8430] inet_recvmsg+0x11b/0x5e0 [ 72.344368][ T8430] ? inet_sendpage+0x140/0x140 [ 72.349139][ T8430] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.355377][ T8430] ? security_socket_recvmsg+0x8f/0xc0 [ 72.360860][ T8430] sock_read_iter+0x33c/0x470 [ 72.365557][ T8430] ? ____sys_recvmsg+0x600/0x600 [ 72.370679][ T8430] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.376919][ T8430] ? fsnotify+0xa58/0x1060 [ 72.381418][ T8430] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.387657][ T8430] new_sync_read+0x5b7/0x6e0 [ 72.392349][ T8430] ? ksys_lseek+0x1b0/0x1b0 [ 72.396840][ T8430] vfs_read+0x35c/0x570 [ 72.401001][ T8430] ksys_read+0x1ee/0x250 [ 72.405329][ T8430] ? vfs_write+0xa40/0xa40 [ 72.409732][ T8430] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.415744][ T8430] do_syscall_64+0x3a/0xb0 [ 72.420156][ T8430] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.426107][ T8430] RIP: 0033:0x4af19b [ 72.430718][ T8430] Code: fb ff eb bd e8 a6 b6 fb ff e9 61 ff ff ff cc e8 9b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 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 [ 72.450607][ T8430] RSP: 002b:000000c000493828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 72.459119][ T8430] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 72.467179][ T8430] RDX: 0000000000001000 RSI: 000000c000202000 RDI: 0000000000000006 [ 72.475200][ T8430] RBP: 000000c000493878 R08: 0000000000000001 R09: 0000000000000002 [ 72.483253][ T8430] R10: 0000000000000c52 R11: 0000000000000212 R12: ffffffffffffffff [ 72.491946][ T8430] R13: 0000000000002000 R14: 0000000000000020 R15: 0000000000000010 [ 72.499925][ T8430] Modules linked in: [ 72.505785][ T8430] ---[ end trace f7e14e6669cf89f9 ]--- [ 72.511419][ T8430] RIP: 0010:skb_release_data+0x3a0/0x750 [ 72.526348][ T8430] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 30 00 0f 85 d3 02 00 00 49 63 c4 48 c1 e0 04 4a 8b 6c 28 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a7 02 00 00 48 8b 45 08 31 ff 48 89 c3 48 89 [ 72.547594][ T8430] RSP: 0018:ffffc9000162f878 EFLAGS: 00010206 [ 72.554348][ T8430] RAX: 0000000000177541 RBX: 0000000000000011 RCX: 0000000000000000 [ 72.563044][ T8430] RDX: ffff888022330000 RSI: ffffffff8703c746 RDI: 0000000000bbaa08 [ 72.571301][ T8430] RBP: 0000000000bbaa00 R08: 0000000000000011 R09: ffffffff90207957 [ 72.579480][ T8430] R10: ffffffff8703c733 R11: 0000000000000009 R12: 0000000000000010 [ 72.588357][ T8430] R13: ffff88802ee87ecc R14: dffffc0000000000 R15: ffff888015533780 [ 72.596493][ T8430] FS: 000000c00002e890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.605479][ T8430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.612094][ T8430] CR2: 00007f5cc803f0f8 CR3: 000000001cd21000 CR4: 00000000001506f0 [ 72.620229][ T8430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.628415][ T8430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.637102][ T8430] Kernel panic - not syncing: Fatal exception [ 72.644013][ T8430] Kernel Offset: disabled [ 72.648333][ T8430] Rebooting in 86400 seconds..