Warning: Permanently added '10.128.0.249' (ECDSA) to the list of known hosts. 2021/05/03 23:51:12 fuzzer started 2021/05/03 23:51:12 dialing manager at 10.128.0.169:34381 2021/05/03 23:51:12 syscalls: 3586 2021/05/03 23:51:12 code coverage: enabled 2021/05/03 23:51:12 comparison tracing: enabled 2021/05/03 23:51:12 extra coverage: enabled 2021/05/03 23:51:12 setuid sandbox: enabled 2021/05/03 23:51:12 namespace sandbox: enabled 2021/05/03 23:51:12 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 23:51:12 fault injection: enabled 2021/05/03 23:51:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 23:51:12 net packet injection: enabled 2021/05/03 23:51:12 net device setup: enabled 2021/05/03 23:51:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 23:51:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 23:51:12 USB emulation: enabled 2021/05/03 23:51:12 hci packet injection: enabled 2021/05/03 23:51:12 wifi device emulation: enabled 2021/05/03 23:51:12 802.15.4 emulation: enabled 2021/05/03 23:51:12 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/03 23:51:13 fetching corpus: 50, signal 58634/62270 (executing program) 2021/05/03 23:51:13 fetching corpus: 100, signal 91674/96735 (executing program) 2021/05/03 23:51:13 fetching corpus: 150, signal 118691/125085 (executing program) syzkaller login: [ 68.083186][ T8434] general protection fault, probably for non-canonical address 0xdffffc00001b0ac1: 0000 [#1] PREEMPT SMP KASAN [ 68.094999][ T8434] KASAN: probably user-memory-access in range [0x0000000000d85608-0x0000000000d8560f] [ 68.104575][ T8434] CPU: 1 PID: 8434 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 68.114149][ T8434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.124223][ T8434] RIP: 0010:skb_release_data+0x3a0/0x750 [ 68.129854][ T8434] 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 [ 68.149532][ T8434] RSP: 0018:ffffc9000165f878 EFLAGS: 00010202 [ 68.155582][ T8434] RAX: 00000000001b0ac1 RBX: 0000000000000011 RCX: 0000000000000000 [ 68.163531][ T8434] RDX: ffff888025b93900 RSI: ffffffff8703c746 RDI: 0000000000d85608 [ 68.171497][ T8434] RBP: 0000000000d85600 R08: 0000000000000011 R09: 0000000000d85600 [ 68.179457][ T8434] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 68.187418][ T8434] R13: ffff888036147ecc R14: dffffc0000000000 R15: ffff88801a032500 [ 68.195374][ T8434] FS: 000000c00002f090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.204288][ T8434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.210850][ T8434] CR2: 00007f9dc6f7e380 CR3: 0000000014aa6000 CR4: 00000000001506e0 [ 68.218799][ T8434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.226748][ T8434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.234699][ T8434] Call Trace: [ 68.237967][ T8434] __kfree_skb+0x46/0x60 [ 68.242205][ T8434] tcp_recvmsg_locked+0x130f/0x22f0 [ 68.247398][ T8434] ? tcp_splice_read+0x8b0/0x8b0 [ 68.252328][ T8434] ? mark_held_locks+0x9f/0xe0 [ 68.257094][ T8434] ? __local_bh_enable_ip+0xa0/0x120 [ 68.262359][ T8434] tcp_recvmsg+0x134/0x550 [ 68.267132][ T8434] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 68.272587][ T8434] ? aa_sk_perm+0x311/0xab0 [ 68.277069][ T8434] inet_recvmsg+0x11b/0x5e0 [ 68.281554][ T8434] ? inet_sendpage+0x140/0x140 [ 68.286310][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.292533][ T8434] ? security_socket_recvmsg+0x8f/0xc0 [ 68.297979][ T8434] sock_read_iter+0x33c/0x470 [ 68.302649][ T8434] ? ____sys_recvmsg+0x600/0x600 [ 68.307567][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.313792][ T8434] ? fsnotify+0xa58/0x1060 [ 68.318195][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.324430][ T8434] new_sync_read+0x5b7/0x6e0 [ 68.329007][ T8434] ? ksys_lseek+0x1b0/0x1b0 [ 68.333500][ T8434] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.339468][ T8434] vfs_read+0x35c/0x570 [ 68.343604][ T8434] ksys_read+0x1ee/0x250 [ 68.347824][ T8434] ? vfs_write+0xa40/0xa40 [ 68.352216][ T8434] ? syscall_enter_from_user_mode+0x27/0x70 [ 68.358103][ T8434] do_syscall_64+0x3a/0xb0 [ 68.362516][ T8434] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.368390][ T8434] RIP: 0033:0x4af19b [ 68.372261][ T8434] 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 [ 68.391845][ T8434] RSP: 002b:000000c000073828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 68.400253][ T8434] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 68.408205][ T8434] RDX: 0000000000001000 RSI: 000000c0001aa000 RDI: 0000000000000006 [ 68.416154][ T8434] RBP: 000000c000073878 R08: 0000000000000001 R09: 0000000000000002 [ 68.424104][ T8434] R10: 0000000000003511 R11: 0000000000000212 R12: 000000000000350d [ 68.432062][ T8434] R13: 0000000000000400 R14: 0000000000000002 R15: 0000000000000002 [ 68.440029][ T8434] Modules linked in: [ 68.444092][ T8434] ---[ end trace d02d179c3659bae2 ]--- [ 68.449555][ T8434] RIP: 0010:skb_release_data+0x3a0/0x750 [ 68.455273][ T8434] 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 [ 68.474949][ T8434] RSP: 0018:ffffc9000165f878 EFLAGS: 00010202 [ 68.481027][ T8434] RAX: 00000000001b0ac1 RBX: 0000000000000011 RCX: 0000000000000000 [ 68.489063][ T8434] RDX: ffff888025b93900 RSI: ffffffff8703c746 RDI: 0000000000d85608 [ 68.497104][ T8434] RBP: 0000000000d85600 R08: 0000000000000011 R09: 0000000000d85600 [ 68.505126][ T8434] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 68.513148][ T8434] R13: ffff888036147ecc R14: dffffc0000000000 R15: ffff88801a032500 [ 68.521186][ T8434] FS: 000000c00002f090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.530134][ T8434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.536917][ T8434] CR2: 00007f9dc6f7e380 CR3: 0000000014aa6000 CR4: 00000000001506e0 [ 68.544998][ T8434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.553028][ T8434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.560995][ T8434] Kernel panic - not syncing: Fatal exception [ 68.567645][ T8434] Kernel Offset: disabled [ 68.571954][ T8434] Rebooting in 86400 seconds..