Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.351629][ T7086] dummy0 speed is unknown, defaulting to 1000 [ 58.358583][ T7086] dummy0 speed is unknown, defaulting to 1000 [ 58.367051][ T7086] dummy0 speed is unknown, defaulting to 1000 [ 58.456933][ T7086] infiniband syz0: set down [ 58.461911][ T2699] dummy0 speed is unknown, defaulting to 1000 [ 58.468470][ T7086] infiniband syz0: added dummy0 [ 58.501739][ T7086] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 58.513638][ T7086] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 58.522056][ T7086] CPU: 0 PID: 7086 Comm: syz-executor232 Not tainted 5.7.0-rc7-syzkaller #0 [ 58.531604][ T7086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.542038][ T7086] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 58.547499][ T7086] 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 [ 58.567508][ T7086] RSP: 0018:ffffc900056a6fe0 EFLAGS: 00010206 [ 58.573570][ T7086] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87505d9a [ 58.581528][ T7086] RDX: 000000000000008e RSI: ffffffff87505db8 RDI: 0000000000000470 [ 58.589570][ T7086] RBP: 0000000000000001 R08: ffff8880967b4500 R09: ffffed1011c4809f [ 58.597530][ T7086] R10: ffff88808e2404f7 R11: ffffed1011c4809e R12: ffff88808e240000 [ 58.605500][ T7086] R13: ffffffff8a745600 R14: 1ffff92000ad4e07 R15: ffff88808e2404e8 [ 58.613598][ T7086] FS: 00000000022de940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 58.622513][ T7086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.629285][ T7086] CR2: 000055a76c0ce8e8 CR3: 00000000a0362000 CR4: 00000000001406f0 [ 58.637248][ T7086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.645206][ T7086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.653199][ T7086] Call Trace: [ 58.656569][ T7086] ? rds_ib_remove_one+0x280/0x280 [ 58.661667][ T7086] add_client_context+0x3b4/0x520 [ 58.666737][ T7086] ? ib_device_get_by_netdev+0x4f0/0x4f0 [ 58.672354][ T7086] ? rxe_enable_driver+0x63/0x90 [ 58.677321][ T7086] enable_device_and_get+0x1cd/0x3b0 [ 58.682591][ T7086] ? add_one_compat_dev+0x800/0x800 [ 58.687772][ T7086] ? rxe_ib_alloc_hw_stats+0xf9/0x130 [ 58.693217][ T7086] ib_register_device+0xa12/0xda0 [ 58.698275][ T7086] ? enable_device_and_get+0x3b0/0x3b0 [ 58.703787][ T7086] ? crypto_create_tfm+0x118/0x2f0 [ 58.708885][ T7086] ? crypto_alloc_tfm+0x124/0x340 [ 58.713897][ T7086] ? ib_device_set_netdev+0x499/0x680 [ 58.719254][ T7086] rxe_register_device+0x4fa/0x621 [ 58.724379][ T7086] rxe_add+0x1353/0x17df [ 58.728608][ T7086] rxe_net_add+0x8c/0xe0 [ 58.732847][ T7086] rxe_newlink+0x34/0x90 [ 58.737292][ T7086] nldev_newlink+0x29e/0x420 [ 58.741875][ T7086] ? nldev_set_doit+0x410/0x410 [ 58.746893][ T7086] ? lock_release+0x800/0x800 [ 58.751716][ T7086] ? apparmor_capable+0x454/0x8a0 [ 58.756745][ T7086] ? apparmor_capable+0x454/0x8a0 [ 58.761996][ T7086] ? apparmor_cred_prepare+0x750/0x750 [ 58.767542][ T7086] ? apparmor_cred_prepare+0x750/0x750 [ 58.773166][ T7086] ? cap_capable+0x1eb/0x250 [ 58.777823][ T7086] ? ns_capable_common+0xe2/0x100 [ 58.783142][ T7086] ? nldev_set_doit+0x410/0x410 [ 58.788108][ T7086] rdma_nl_rcv+0x586/0x900 [ 58.792606][ T7086] ? rdma_nl_multicast+0x310/0x310 [ 58.797700][ T7086] ? netlink_deliver_tap+0x227/0xb50 [ 58.802971][ T7086] netlink_unicast+0x537/0x740 [ 58.807840][ T7086] ? netlink_attachskb+0x810/0x810 [ 58.812938][ T7086] ? _copy_from_iter_full+0x25c/0x870 [ 58.818296][ T7086] ? __phys_addr_symbol+0x2c/0x70 [ 58.823449][ T7086] ? __check_object_size+0x171/0x437 [ 58.828785][ T7086] netlink_sendmsg+0x882/0xe10 [ 58.833538][ T7086] ? aa_af_perm+0x260/0x260 [ 58.838107][ T7086] ? netlink_unicast+0x740/0x740 [ 58.843390][ T7086] ? netlink_unicast+0x740/0x740 [ 58.848475][ T7086] sock_sendmsg+0xcf/0x120 [ 58.852881][ T7086] ____sys_sendmsg+0x6bf/0x7e0 [ 58.857628][ T7086] ? kernel_sendmsg+0x50/0x50 [ 58.862405][ T7086] ? lock_downgrade+0x840/0x840 [ 58.867242][ T7086] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.872788][ T7086] ___sys_sendmsg+0x100/0x170 [ 58.877550][ T7086] ? sendmsg_copy_msghdr+0x70/0x70 [ 58.882739][ T7086] ? mark_held_locks+0xe0/0xe0 [ 58.887491][ T7086] ? prep_transhuge_page+0xa0/0xa0 [ 58.892841][ T7086] ? pud_val+0x7c/0xf0 [ 58.896923][ T7086] ? pmd_val+0xf0/0xf0 [ 58.900975][ T7086] ? percpu_counter_add_batch+0x123/0x180 [ 58.906824][ T7086] ? find_held_lock+0x2d/0x110 [ 58.911586][ T7086] ? do_page_fault+0x59e/0x13da [ 58.916422][ T7086] ? vm_insert_pages+0x6a0/0x6a0 [ 58.921383][ T7086] ? lock_downgrade+0x840/0x840 [ 58.926216][ T7086] ? __fget_light+0x1ab/0x270 [ 58.930914][ T7086] __sys_sendmsg+0xec/0x1b0 [ 58.935403][ T7086] ? __sys_sendmsg_sock+0xb0/0xb0 [ 58.940441][ T7086] ? down_read_nested+0x420/0x420 [ 58.945497][ T7086] ? trace_hardirqs_off_caller+0x55/0x230 [ 58.951201][ T7086] ? do_syscall_64+0x21/0x7d0 [ 58.955870][ T7086] do_syscall_64+0xf6/0x7d0 [ 58.960392][ T7086] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.966529][ T7086] RIP: 0033:0x440ca9 [ 58.970510][ T7086] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.990193][ T7086] RSP: 002b:00007ffdf57fa068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 58.998627][ T7086] RAX: ffffffffffffffda RBX: 00007ffdf57fa070 RCX: 0000000000440ca9 [ 59.006674][ T7086] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 59.014783][ T7086] RBP: 0000000000000000 R08: 00000000004012f0 R09: 00000000004012f0 [ 59.022824][ T7086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402530 [ 59.031045][ T7086] R13: 00000000004025c0 R14: 0000000000000000 R15: 0000000000000000 [ 59.039149][ T7086] Modules linked in: [ 59.043862][ T7086] ---[ end trace 88067e075b6a5f0b ]--- [ 59.049344][ T7086] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 59.054796][ T7086] 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 [ 59.075047][ T7086] RSP: 0018:ffffc900056a6fe0 EFLAGS: 00010206 [ 59.081280][ T7086] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87505d9a [ 59.089746][ T7086] RDX: 000000000000008e RSI: ffffffff87505db8 RDI: 0000000000000470 [ 59.097841][ T7086] RBP: 0000000000000001 R08: ffff8880967b4500 R09: ffffed1011c4809f [ 59.106080][ T7086] R10: ffff88808e2404f7 R11: ffffed1011c4809e R12: ffff88808e240000 [ 59.114273][ T7086] R13: ffffffff8a745600 R14: 1ffff92000ad4e07 R15: ffff88808e2404e8 [ 59.123421][ T7086] FS: 00000000022de940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 59.132819][ T7086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.139739][ T7086] CR2: 000055a76c0ce8e8 CR3: 00000000a0362000 CR4: 00000000001406f0 [ 59.147839][ T7086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.155908][ T7086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.163931][ T7086] Kernel panic - not syncing: Fatal exception [ 59.171605][ T7086] Kernel Offset: disabled [ 59.175937][ T7086] Rebooting in 86400 seconds..