[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.199' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 56.232841][ T6789] IPVS: ftp: loaded support on port[0] = 21 [ 56.373151][ T6789] infiniband syz0: set active [ 56.379398][ T6789] infiniband syz0: added syz_tun [ 56.412046][ T6789] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 56.423774][ T6789] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 56.432190][ T6789] CPU: 0 PID: 6789 Comm: syz-executor704 Not tainted 5.7.0-syzkaller #0 [ 56.441473][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.451546][ T6789] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 56.456916][ T6789] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a [ 56.478100][ T6789] RSP: 0000:ffffc90001276fe0 EFLAGS: 00010206 [ 56.484141][ T6789] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff875a104a [ 56.492157][ T6789] RDX: 000000000000008e RSI: ffffffff875a1068 RDI: 0000000000000470 [ 56.500124][ T6789] RBP: 0000000000000001 R08: ffff88809076c300 R09: ffffed1012aba89f [ 56.508953][ T6789] R10: ffff8880955d44f7 R11: ffffed1012aba89e R12: ffff8880955d4000 [ 56.516913][ T6789] R13: ffffffff8a75b1a0 R14: 1ffff9200024ee07 R15: ffff8880955d44e8 [ 56.524871][ T6789] FS: 0000000002438880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 56.534239][ T6789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.540805][ T6789] CR2: 00007fec535d3428 CR3: 00000000a90e0000 CR4: 00000000001406f0 [ 56.548789][ T6789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.556807][ T6789] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.564884][ T6789] Call Trace: [ 56.568159][ T6789] ? rds_ib_remove_one+0x280/0x280 [ 56.573245][ T6789] add_client_context+0x3b4/0x520 [ 56.578245][ T6789] ? ib_device_get_by_netdev+0x4f0/0x4f0 [ 56.583852][ T6789] ? rxe_enable_driver+0x63/0x90 [ 56.588766][ T6789] enable_device_and_get+0x1cd/0x3b0 [ 56.594024][ T6789] ? add_one_compat_dev+0x800/0x800 [ 56.599210][ T6789] ? rxe_ib_alloc_hw_stats+0xf9/0x130 [ 56.604565][ T6789] ib_register_device+0xa12/0xda0 [ 56.611239][ T6789] ? enable_device_and_get+0x3b0/0x3b0 [ 56.616689][ T6789] ? crypto_create_tfm+0x118/0x2e0 [ 56.621785][ T6789] ? crypto_alloc_tfm+0x124/0x340 [ 56.626795][ T6789] ? ib_device_set_netdev+0x499/0x680 [ 56.632177][ T6789] rxe_register_device+0x50a/0x634 [ 56.637267][ T6789] rxe_add+0x1353/0x17df [ 56.641503][ T6789] rxe_net_add+0x8c/0xe0 [ 56.645892][ T6789] rxe_newlink+0x34/0x90 [ 56.650125][ T6789] nldev_newlink+0x29e/0x420 [ 56.654690][ T6789] ? nldev_set_doit+0x410/0x410 [ 56.659516][ T6789] ? save_trace+0x63f/0xaf0 [ 56.664120][ T6789] ? lock_release+0x800/0x800 [ 56.668772][ T6789] ? apparmor_capable+0x454/0x8a0 [ 56.673768][ T6789] ? apparmor_capable+0x454/0x8a0 [ 56.679129][ T6789] ? apparmor_cred_prepare+0x750/0x750 [ 56.684705][ T6789] ? apparmor_cred_prepare+0x750/0x750 [ 56.690166][ T6789] ? cap_capable+0x1eb/0x250 [ 56.694938][ T6789] ? ns_capable_common+0xe2/0x100 [ 56.699958][ T6789] ? nldev_set_doit+0x410/0x410 [ 56.704795][ T6789] rdma_nl_rcv+0x586/0x900 [ 56.709195][ T6789] ? rdma_nl_multicast+0x310/0x310 [ 56.714282][ T6789] ? netlink_deliver_tap+0x227/0xb50 [ 56.719553][ T6789] netlink_unicast+0x537/0x740 [ 56.724297][ T6789] ? netlink_attachskb+0x810/0x810 [ 56.729388][ T6789] ? _copy_from_iter_full+0x25c/0x870 [ 56.734748][ T6789] ? __phys_addr_symbol+0x2c/0x70 [ 56.741768][ T6789] ? __check_object_size+0x171/0x437 [ 56.747085][ T6789] netlink_sendmsg+0x882/0xe10 [ 56.751895][ T6789] ? aa_af_perm+0x260/0x260 [ 56.756372][ T6789] ? netlink_unicast+0x740/0x740 [ 56.761495][ T6789] ? netlink_unicast+0x740/0x740 [ 56.766495][ T6789] sock_sendmsg+0xcf/0x120 [ 56.771069][ T6789] ____sys_sendmsg+0x6e6/0x810 [ 56.776764][ T6789] ? kernel_sendmsg+0x50/0x50 [ 56.781421][ T6789] ? release_pages+0x656/0x19a0 [ 56.786268][ T6789] ___sys_sendmsg+0x100/0x170 [ 56.790935][ T6789] ? sendmsg_copy_msghdr+0x70/0x70 [ 56.796045][ T6789] ? lock_downgrade+0x840/0x840 [ 56.800977][ T6789] ? do_huge_pmd_anonymous_page+0x15fb/0x1c80 [ 56.807036][ T6789] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.813079][ T6789] ? find_held_lock+0x2d/0x110 [ 56.817832][ T6789] ? do_page_fault+0x5ad/0x13d4 [ 56.822671][ T6789] ? lock_downgrade+0x840/0x840 [ 56.827594][ T6789] ? handle_mm_fault+0xcbc/0x3c10 [ 56.832607][ T6789] ? __fget_light+0x1ab/0x270 [ 56.837287][ T6789] __sys_sendmsg+0xe5/0x1b0 [ 56.841814][ T6789] ? __sys_sendmsg_sock+0xb0/0xb0 [ 56.846838][ T6789] ? down_read_nested+0x420/0x420 [ 56.851865][ T6789] ? do_syscall_64+0x21/0x7d0 [ 56.856524][ T6789] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.862489][ T6789] do_syscall_64+0xf6/0x7d0 [ 56.866975][ T6789] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.872844][ T6789] RIP: 0033:0x4413d9 [ 56.876900][ T6789] 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 6b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.896581][ T6789] RSP: 002b:00007ffc27ce4c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 56.904965][ T6789] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004413d9 [ 56.912918][ T6789] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 56.921128][ T6789] RBP: 00007ffc27ce4c50 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 56.929073][ T6789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.937132][ T6789] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.945123][ T6789] Modules linked in: [ 56.957235][ T6789] ---[ end trace 061eda9ae9f42146 ]--- [ 56.962713][ T6789] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 56.968581][ T6789] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a [ 56.988242][ T6789] RSP: 0000:ffffc90001276fe0 EFLAGS: 00010206 [ 56.994310][ T6789] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff875a104a [ 57.002669][ T6789] RDX: 000000000000008e RSI: ffffffff875a1068 RDI: 0000000000000470 [ 57.010714][ T6789] RBP: 0000000000000001 R08: ffff88809076c300 R09: ffffed1012aba89f [ 57.019337][ T6789] R10: ffff8880955d44f7 R11: ffffed1012aba89e R12: ffff8880955d4000 [ 57.027363][ T6789] R13: ffffffff8a75b1a0 R14: 1ffff9200024ee07 R15: ffff8880955d44e8 [ 57.035356][ T6789] FS: 0000000002438880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 57.044847][ T6789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.051702][ T6789] CR2: 00007ff3b8d74000 CR3: 00000000a90e0000 CR4: 00000000001406f0 [ 57.059907][ T6789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.068449][ T6789] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.076595][ T6789] Kernel panic - not syncing: Fatal exception [ 57.084977][ T6789] Kernel Offset: disabled [ 57.089324][ T6789] Rebooting in 86400 seconds..