Warning: Permanently added '10.128.15.207' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.261880][ T8481] general protection fault, probably for non-canonical address 0xdffffc0000000045: 0000 [#1] PREEMPT SMP KASAN [ 68.273749][ T8481] KASAN: null-ptr-deref in range [0x0000000000000228-0x000000000000022f] [ 68.282155][ T8481] CPU: 1 PID: 8481 Comm: syz-executor119 Not tainted 5.10.0-rc3-syzkaller #0 [ 68.290886][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.300962][ T8481] RIP: 0010:xsk_recvmsg+0x79/0x5e0 [ 68.306159][ T8481] Code: 03 80 3c 02 00 0f 85 00 05 00 00 48 8b 9d c8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9c 04 00 00 8b 9b 28 02 00 00 [ 68.325749][ T8481] RSP: 0018:ffffc9000165fae0 EFLAGS: 00010202 [ 68.331801][ T8481] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000040000000 [ 68.339898][ T8481] RDX: 0000000000000045 RSI: ffffffff88a6a995 RDI: 0000000000000228 [ 68.347869][ T8481] RBP: ffff88801a140000 R08: 0000000040000000 R09: 0000000000000000 [ 68.355825][ T8481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000000 [ 68.363793][ T8481] R13: 0000000040000000 R14: ffffc9000165fe98 R15: 0000000000000000 [ 68.371849][ T8481] FS: 00000000007fd880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 68.380777][ T8481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.387358][ T8481] CR2: 0000000020004880 CR3: 000000001f1bd000 CR4: 00000000001506e0 [ 68.395421][ T8481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.403379][ T8481] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.411342][ T8481] Call Trace: [ 68.414620][ T8481] ? xsk_wakeup+0x250/0x250 [ 68.419106][ T8481] ____sys_recvmsg+0x2c4/0x600 [ 68.423862][ T8481] ? move_addr_to_kernel.part.0+0x110/0x110 [ 68.429738][ T8481] ? __import_iovec+0x293/0x500 [ 68.434571][ T8481] ? import_iovec+0x10c/0x150 [ 68.439239][ T8481] ___sys_recvmsg+0x127/0x200 [ 68.443985][ T8481] ? __copy_msghdr_from_user+0x4b0/0x4b0 [ 68.449621][ T8481] ? do_huge_pmd_anonymous_page+0x8e9/0x2050 [ 68.455616][ T8481] ? find_held_lock+0x2d/0x110 [ 68.460410][ T8481] ? __fget_light+0x215/0x280 [ 68.465069][ T8481] __sys_recvmsg+0xe2/0x1a0 [ 68.469568][ T8481] ? __sys_recvmsg_sock+0x150/0x150 [ 68.474747][ T8481] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.480641][ T8481] do_syscall_64+0x2d/0x70 [ 68.485054][ T8481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.490944][ T8481] RIP: 0033:0x440269 [ 68.494834][ T8481] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.514525][ T8481] RSP: 002b:00007ffdbb92b6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 68.523061][ T8481] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440269 [ 68.531034][ T8481] RDX: 0000000040000000 RSI: 0000000020004880 RDI: 0000000000000003 [ 68.539015][ T8481] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 68.546976][ T8481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a70 [ 68.555248][ T8481] R13: 0000000000401b00 R14: 0000000000000000 R15: 0000000000000000 [ 68.563221][ T8481] Modules linked in: [ 68.575661][ T8481] ---[ end trace 184efc29c05fd9c5 ]--- [ 68.581257][ T8481] RIP: 0010:xsk_recvmsg+0x79/0x5e0 [ 68.586758][ T8481] Code: 03 80 3c 02 00 0f 85 00 05 00 00 48 8b 9d c8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9c 04 00 00 8b 9b 28 02 00 00 [ 68.606710][ T8481] RSP: 0018:ffffc9000165fae0 EFLAGS: 00010202 [ 68.612824][ T8481] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000040000000 [ 68.621011][ T8481] RDX: 0000000000000045 RSI: ffffffff88a6a995 RDI: 0000000000000228 [ 68.629051][ T8481] RBP: ffff88801a140000 R08: 0000000040000000 R09: 0000000000000000 [ 68.637095][ T8481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000000 [ 68.645086][ T8481] R13: 0000000040000000 R14: ffffc9000165fe98 R15: 0000000000000000 [ 68.653127][ T8481] FS: 00000000007fd880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 68.662233][ T8481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.668914][ T8481] CR2: 00007f66a803d058 CR3: 000000001f1bd000 CR4: 00000000001506f0 [ 68.677046][ T8481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.685041][ T8481] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.693077][ T8481] Kernel panic - not syncing: Fatal exception [ 68.699742][ T8481] Kernel Offset: disabled [ 68.704190][ T8481] Rebooting in 86400 seconds..