Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 83.925005][ T9802] IPVS: ftp: loaded support on port[0] = 21 [ 83.962584][ T9802] BUG: unable to handle page fault for address: ffffed10184cbc07 [ 83.970361][ T9802] #PF: supervisor read access in kernel mode [ 83.976342][ T9802] #PF: error_code(0x0000) - not-present page [ 83.982314][ T9802] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 83.988797][ T9802] Oops: 0000 [#1] PREEMPT SMP KASAN [ 83.994011][ T9802] CPU: 0 PID: 9802 Comm: syz-executor277 Not tainted 5.6.0-rc3-syzkaller #0 [ 84.002665][ T9802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.012710][ T9802] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 84.019460][ T9802] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 84.039050][ T9802] RSP: 0018:ffffc90001f6f248 EFLAGS: 00010a03 [ 84.045109][ T9802] RAX: dffffc0000000000 RBX: ffff8880a265e03c RCX: ffffffff867055d4 [ 84.053057][ T9802] RDX: 1ffff110184cbc07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 84.061003][ T9802] RBP: ffffc90001f6f3b0 R08: ffff888092796040 R09: ffffc90001f6f318 [ 84.068950][ T9802] R10: fffff520003ede68 R11: ffffc90001f6f347 R12: 0000000000000010 [ 84.076900][ T9802] R13: ffff8880c265e03c R14: ffff8880a265e04c R15: ffffc90001f6f388 [ 84.084861][ T9802] FS: 0000000002500940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.093771][ T9802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.100334][ T9802] CR2: ffffed10184cbc07 CR3: 00000000a00eb000 CR4: 00000000001406f0 [ 84.108286][ T9802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.116250][ T9802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.124212][ T9802] Call Trace: [ 84.127485][ T9802] ? __mutex_lock+0x458/0x13c0 [ 84.132243][ T9802] ? lock_downgrade+0x920/0x920 [ 84.137086][ T9802] ? ethnl_bitmap32_clear+0x390/0x390 [ 84.142447][ T9802] ? mutex_trylock+0x2d0/0x2d0 [ 84.147231][ T9802] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.153468][ T9802] ? ethnl_default_notify+0x6b0/0x6b0 [ 84.158840][ T9802] ethnl_update_bitset+0x4d/0x67 [ 84.163794][ T9802] ethnl_set_linkmodes+0x461/0xc30 [ 84.168885][ T9802] ? __kasan_check_read+0x11/0x20 [ 84.173903][ T9802] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 84.179577][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.185807][ T9802] ? kernel_text_address+0xe9/0x110 [ 84.191008][ T9802] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 84.196451][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.202676][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.208906][ T9802] ? security_capable+0x95/0xc0 [ 84.213753][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.219985][ T9802] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 84.226297][ T9802] genl_rcv_msg+0x67d/0xea0 [ 84.230826][ T9802] ? genl_rcv_msg+0x67d/0xea0 [ 84.235509][ T9802] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 84.241831][ T9802] ? __kasan_check_read+0x11/0x20 [ 84.246832][ T9802] ? __lock_acquire+0x8a0/0x4a00 [ 84.251764][ T9802] ? find_held_lock+0x35/0x130 [ 84.256519][ T9802] netlink_rcv_skb+0x177/0x450 [ 84.261265][ T9802] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 84.267571][ T9802] ? netlink_ack+0xb50/0xb50 [ 84.272149][ T9802] ? __kasan_check_write+0x14/0x20 [ 84.277246][ T9802] ? netlink_deliver_tap+0x248/0xbf0 [ 84.282522][ T9802] genl_rcv+0x29/0x40 [ 84.286528][ T9802] netlink_unicast+0x59e/0x7e0 [ 84.291277][ T9802] ? netlink_attachskb+0x870/0x870 [ 84.296411][ T9802] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 84.302120][ T9802] ? __check_object_size+0x3d/0x437 [ 84.307300][ T9802] netlink_sendmsg+0x91c/0xea0 [ 84.312047][ T9802] ? netlink_unicast+0x7e0/0x7e0 [ 84.316965][ T9802] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 84.322506][ T9802] ? apparmor_socket_sendmsg+0x2a/0x30 [ 84.327957][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.334183][ T9802] ? security_socket_sendmsg+0x8d/0xc0 [ 84.339627][ T9802] ? netlink_unicast+0x7e0/0x7e0 [ 84.344548][ T9802] sock_sendmsg+0xd7/0x130 [ 84.348980][ T9802] ____sys_sendmsg+0x753/0x880 [ 84.353725][ T9802] ? kernel_sendmsg+0x50/0x50 [ 84.358396][ T9802] ? debug_object_active_state+0x28a/0x350 [ 84.364186][ T9802] ? find_held_lock+0x35/0x130 [ 84.368928][ T9802] ___sys_sendmsg+0x100/0x170 [ 84.373599][ T9802] ? sendmsg_copy_msghdr+0x70/0x70 [ 84.378686][ T9802] ? lockdep_hardirqs_on+0x421/0x5e0 [ 84.383965][ T9802] ? __kasan_check_read+0x11/0x20 [ 84.388981][ T9802] ? mark_lock+0xc2/0x1220 [ 84.393390][ T9802] ? __kasan_check_read+0x11/0x20 [ 84.398388][ T9802] ? __lock_acquire+0x16f2/0x4a00 [ 84.403401][ T9802] ? debug_object_deactivate+0x320/0x320 [ 84.409018][ T9802] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 84.415153][ T9802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.421373][ T9802] ? __fget_light+0x1ad/0x270 [ 84.426036][ T9802] ? __fdget+0x1b/0x20 [ 84.430086][ T9802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.436335][ T9802] __sys_sendmsg+0x105/0x1d0 [ 84.440905][ T9802] ? __sys_sendmsg_sock+0xc0/0xc0 [ 84.445907][ T9802] ? lockdep_hardirqs_on+0x421/0x5e0 [ 84.451185][ T9802] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.456624][ T9802] ? do_syscall_64+0x26/0x790 [ 84.461279][ T9802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.467348][ T9802] ? do_syscall_64+0x26/0x790 [ 84.472016][ T9802] __x64_sys_sendmsg+0x78/0xb0 [ 84.476774][ T9802] do_syscall_64+0xfa/0x790 [ 84.481255][ T9802] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.487135][ T9802] RIP: 0033:0x4460b9 [ 84.491037][ T9802] 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 8b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.510635][ T9802] RSP: 002b:00007ffe71727cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.519035][ T9802] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004460b9 [ 84.527011][ T9802] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 84.535010][ T9802] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 [ 84.542998][ T9802] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe71727d00 [ 84.550985][ T9802] R13: 0000000000000003 R14: 0000000000000004 R15: 00007ffe71727dd0 [ 84.559094][ T9802] Modules linked in: [ 84.562972][ T9802] CR2: ffffed10184cbc07 [ 84.567146][ T9802] ---[ end trace 626f7a77f223a656 ]--- [ 84.572593][ T9802] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 84.579336][ T9802] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 84.598918][ T9802] RSP: 0018:ffffc90001f6f248 EFLAGS: 00010a03 [ 84.604960][ T9802] RAX: dffffc0000000000 RBX: ffff8880a265e03c RCX: ffffffff867055d4 [ 84.612908][ T9802] RDX: 1ffff110184cbc07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 84.620875][ T9802] RBP: ffffc90001f6f3b0 R08: ffff888092796040 R09: ffffc90001f6f318 [ 84.628842][ T9802] R10: fffff520003ede68 R11: ffffc90001f6f347 R12: 0000000000000010 [ 84.636796][ T9802] R13: ffff8880c265e03c R14: ffff8880a265e04c R15: ffffc90001f6f388 [ 84.644778][ T9802] FS: 0000000002500940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.653689][ T9802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.660256][ T9802] CR2: ffffed10184cbc07 CR3: 00000000a00eb000 CR4: 00000000001406f0 [ 84.668254][ T9802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.676208][ T9802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.684197][ T9802] Kernel panic - not syncing: Fatal exception [ 84.691271][ T9802] Kernel Offset: disabled [ 84.695602][ T9802] Rebooting in 86400 seconds..