Warning: Permanently added '10.128.10.39' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 61.194328][ T8752] IPVS: ftp: loaded support on port[0] = 21 [ 61.237061][ T8754] BUG: unable to handle page fault for address: ffffed1018de8e87 [ 61.244812][ T8754] #PF: supervisor read access in kernel mode [ 61.250781][ T8754] #PF: error_code(0x0000) - not-present page [ 61.256843][ T8754] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 61.263634][ T8754] Oops: 0000 [#1] PREEMPT SMP KASAN [ 61.269123][ T8754] CPU: 0 PID: 8754 Comm: syz-executor091 Not tainted 5.6.0-rc3-syzkaller #0 [ 61.277829][ T8754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.288000][ T8754] RIP: 0010:ethnl_update_bitset32+0x1afe/0x2380 [ 61.294255][ T8754] Code: 24 30 44 89 fe 83 e6 1f 31 ff e8 6d a8 d4 fa 41 83 e7 1f 74 44 48 85 db 74 3f 48 8b 44 24 50 49 8d 1c 86 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 06 07 00 00 8b 1b 4c 89 f9 f6 d9 d3 e3 d3 [ 61.314075][ T8754] RSP: 0018:ffffc900020676c0 EFLAGS: 00010a06 [ 61.320275][ T8754] RAX: 1ffff11018de8e87 RBX: ffff8880c6f47438 RCX: 0000000000000000 [ 61.329245][ T8754] RDX: dffffc0000000000 RSI: 0000000000000010 RDI: 0000000000000000 [ 61.337347][ T8754] RBP: ffffc900020677b0 R08: ffffffff86a274c3 R09: ffffffff83bbd337 [ 61.345471][ T8754] R10: ffff88809e0585c0 R11: 0000000000000004 R12: dffffc0000000000 [ 61.353434][ T8754] R13: ffffc90002067ab0 R14: ffff8880a6f4743c R15: 0000000000000010 [ 61.361791][ T8754] FS: 000000000251e880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 61.371191][ T8754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.377770][ T8754] CR2: ffffed1018de8e87 CR3: 000000009fe11000 CR4: 00000000001406f0 [ 61.385735][ T8754] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.393811][ T8754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.401872][ T8754] Call Trace: [ 61.405224][ T8754] ? memcpy+0x49/0x60 [ 61.410164][ T8754] ethnl_update_bitset+0x3c/0x50 [ 61.415132][ T8754] ethnl_set_linkmodes+0x5d4/0xf80 [ 61.420350][ T8754] genl_rcv_msg+0xf15/0x13e0 [ 61.424963][ T8754] netlink_rcv_skb+0x19e/0x3e0 [ 61.429769][ T8754] ? genl_unbind+0x250/0x250 [ 61.435050][ T8754] genl_rcv+0x28/0x40 [ 61.439034][ T8754] netlink_unicast+0x766/0x920 [ 61.444432][ T8754] netlink_sendmsg+0xa2b/0xd40 [ 61.449662][ T8754] ? netlink_getsockopt+0x9f0/0x9f0 [ 61.454874][ T8754] ____sys_sendmsg+0x4f7/0x7f0 [ 61.460661][ T8754] __sys_sendmsg+0x1ed/0x290 [ 61.465796][ T8754] ? check_preemption_disabled+0xb4/0x260 [ 61.471500][ T8754] ? debug_smp_processor_id+0x9/0x20 [ 61.477704][ T8754] ? __kasan_check_write+0x14/0x20 [ 61.482809][ T8754] ? __fpregs_load_activate+0x194/0x220 [ 61.488356][ T8754] ? switch_fpu_return+0xe/0x10 [ 61.493195][ T8754] ? prepare_exit_to_usermode+0x221/0x5b0 [ 61.499414][ T8754] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 61.504911][ T8754] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 61.510632][ T8754] ? do_syscall_64+0x1d/0x1c0 [ 61.515429][ T8754] __x64_sys_sendmsg+0x7f/0x90 [ 61.520279][ T8754] do_syscall_64+0xf7/0x1c0 [ 61.524792][ T8754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.530795][ T8754] RIP: 0033:0x445b39 [ 61.534690][ T8754] Code: e8 ac cb 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 ab cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.554734][ T8754] RSP: 002b:00007ffc1833f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.563578][ T8754] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39 [ 61.571547][ T8754] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 61.579516][ T8754] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac [ 61.587482][ T8754] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000eefa [ 61.595600][ T8754] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.603638][ T8754] Modules linked in: [ 61.607529][ T8754] CR2: ffffed1018de8e87 [ 61.611679][ T8754] ---[ end trace 6f60cda29c416f6b ]--- [ 61.617133][ T8754] RIP: 0010:ethnl_update_bitset32+0x1afe/0x2380 [ 61.623363][ T8754] Code: 24 30 44 89 fe 83 e6 1f 31 ff e8 6d a8 d4 fa 41 83 e7 1f 74 44 48 85 db 74 3f 48 8b 44 24 50 49 8d 1c 86 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 06 07 00 00 8b 1b 4c 89 f9 f6 d9 d3 e3 d3 [ 61.643324][ T8754] RSP: 0018:ffffc900020676c0 EFLAGS: 00010a06 [ 61.649435][ T8754] RAX: 1ffff11018de8e87 RBX: ffff8880c6f47438 RCX: 0000000000000000 [ 61.657406][ T8754] RDX: dffffc0000000000 RSI: 0000000000000010 RDI: 0000000000000000 [ 61.665680][ T8754] RBP: ffffc900020677b0 R08: ffffffff86a274c3 R09: ffffffff83bbd337 [ 61.673791][ T8754] R10: ffff88809e0585c0 R11: 0000000000000004 R12: dffffc0000000000 [ 61.681745][ T8754] R13: ffffc90002067ab0 R14: ffff8880a6f4743c R15: 0000000000000010 [ 61.689840][ T8754] FS: 000000000251e880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 61.698775][ T8754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.705360][ T8754] CR2: ffffed1018de8e87 CR3: 000000009fe11000 CR4: 00000000001406f0 [ 61.713490][ T8754] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.721471][ T8754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.729433][ T8754] Kernel panic - not syncing: Fatal exception [ 61.737396][ T8754] Kernel Offset: disabled [ 61.741737][ T8754] Rebooting in 86400 seconds..