Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. 2021/05/02 03:10:26 fuzzer started 2021/05/02 03:10:26 dialing manager at 10.128.0.169:44661 2021/05/02 03:10:26 syscalls: 3571 2021/05/02 03:10:26 code coverage: enabled 2021/05/02 03:10:26 comparison tracing: enabled 2021/05/02 03:10:26 extra coverage: enabled 2021/05/02 03:10:26 setuid sandbox: enabled 2021/05/02 03:10:26 namespace sandbox: enabled 2021/05/02 03:10:26 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 03:10:26 fault injection: enabled 2021/05/02 03:10:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 03:10:26 net packet injection: enabled 2021/05/02 03:10:26 net device setup: enabled 2021/05/02 03:10:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 03:10:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 03:10:26 USB emulation: enabled 2021/05/02 03:10:26 hci packet injection: enabled 2021/05/02 03:10:26 wifi device emulation: enabled 2021/05/02 03:10:26 802.15.4 emulation: enabled 2021/05/02 03:10:27 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 03:10:27 Manager.Poll call failed: reading body read tcp 10.128.0.189:34136->10.128.0.169:44661: read: bad address syzkaller login: [ 74.680255][ T8447] general protection fault, probably for non-canonical address 0xf2a587818013e581: 0000 [#1] PREEMPT SMP KASAN [ 74.692014][ T8447] KASAN: maybe wild-memory-access in range [0x952c5c0c009f2c08-0x952c5c0c009f2c0f] [ 74.701300][ T8447] CPU: 0 PID: 8447 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 74.710850][ T8447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.720906][ T8447] RIP: 0010:skb_release_data+0x3a0/0x750 [ 74.726554][ T8447] 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 [ 74.746154][ T8447] RSP: 0018:ffffc900015efbb0 EFLAGS: 00010a06 [ 74.752246][ T8447] RAX: 12a58b818013e581 RBX: 0000000000000011 RCX: 0000000000000000 [ 74.760216][ T8447] RDX: ffff888012651c80 RSI: ffffffff8703c746 RDI: 952c5c0c009f2c08 [ 74.768187][ T8447] RBP: 952c5c0c009f2c00 R08: 0000000000000011 R09: 00000000009f2c00 [ 74.776156][ T8447] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 74.784125][ T8447] R13: ffff888033647ecc R14: dffffc0000000000 R15: ffff8880244f2780 [ 74.792098][ T8447] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.801040][ T8447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.807626][ T8447] CR2: 0000563141a321a8 CR3: 000000001a07e000 CR4: 00000000001506f0 [ 74.815596][ T8447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.823568][ T8447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.831541][ T8447] Call Trace: [ 74.834826][ T8447] __kfree_skb+0x46/0x60 [ 74.839078][ T8447] __tcp_close+0x230/0x1170 [ 74.843611][ T8447] tcp_close+0x29/0xc0 [ 74.847684][ T8447] inet_release+0x12e/0x280 [ 74.852211][ T8447] __sock_release+0xcd/0x280 [ 74.856806][ T8447] sock_close+0x18/0x20 [ 74.860968][ T8447] __fput+0x288/0x920 [ 74.864971][ T8447] ? __sock_release+0x280/0x280 [ 74.869838][ T8447] task_work_run+0xdd/0x1a0 [ 74.874343][ T8447] do_exit+0xbfc/0x2a70 [ 74.878501][ T8447] ? io_schedule_timeout+0x140/0x140 [ 74.883805][ T8447] ? lockdep_hardirqs_on+0x79/0x100 [ 74.889005][ T8447] ? mm_update_next_owner+0x7a0/0x7a0 [ 74.894378][ T8447] ? preempt_schedule_thunk+0x16/0x18 [ 74.899755][ T8447] ? preempt_schedule_common+0x59/0xc0 [ 74.905220][ T8447] ? preempt_schedule_thunk+0x16/0x18 [ 74.910596][ T8447] ? trace_hardirqs_on+0x38/0x1c0 [ 74.915624][ T8447] do_group_exit+0x125/0x310 [ 74.920220][ T8447] __x64_sys_exit_group+0x3a/0x50 [ 74.925246][ T8447] do_syscall_64+0x3a/0xb0 [ 74.929670][ T8447] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.935569][ T8447] RIP: 0033:0x46d96b [ 74.939459][ T8447] Code: Unable to access opcode bytes at RIP 0x46d941. [ 74.946292][ T8447] RSP: 002b:000000c0000a3880 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 74.954705][ T8447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046d96b [ 74.962700][ T8447] RDX: 000000000000007e RSI: 0000000000000000 RDI: 0000000000000001 [ 74.970669][ T8447] RBP: 000000c0000a3890 R08: 0000000000000004 R09: fffff80000000001 [ 74.978639][ T8447] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 74.986608][ T8447] R13: 0000000000000040 R14: 000000000094780c R15: 0000000000000030 [ 74.994585][ T8447] Modules linked in: [ 75.007562][ T8447] ---[ end trace f2c581f74b35c290 ]--- [ 75.013070][ T8447] RIP: 0010:skb_release_data+0x3a0/0x750 [ 75.018797][ T8447] 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 [ 75.038926][ T8447] RSP: 0018:ffffc900015efbb0 EFLAGS: 00010a06 [ 75.044997][ T8447] RAX: 12a58b818013e581 RBX: 0000000000000011 RCX: 0000000000000000 [ 75.053104][ T8447] RDX: ffff888012651c80 RSI: ffffffff8703c746 RDI: 952c5c0c009f2c08 [ 75.061129][ T8447] RBP: 952c5c0c009f2c00 R08: 0000000000000011 R09: 00000000009f2c00 [ 75.069154][ T8447] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 75.077187][ T8447] R13: ffff888033647ecc R14: dffffc0000000000 R15: ffff8880244f2780 [ 75.085170][ T8447] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.094135][ T8447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.100788][ T8447] CR2: 0000563141a3f3b8 CR3: 0000000012ebd000 CR4: 00000000001506e0 [ 75.109016][ T8447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.118504][ T8447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.128235][ T8447] Kernel panic - not syncing: Fatal exception [ 75.135840][ T8447] Kernel Offset: disabled [ 75.140561][ T8447] Rebooting in 86400 seconds..