[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.637393] audit: type=1400 audit(1603262806.203:8): avc: denied { execmem } for pid=6493 comm="syz-executor839" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.647263] FAULT_INJECTION: forcing a failure. [ 40.647263] name failslab, interval 1, probability 0, space 0, times 1 [ 40.669337] CPU: 1 PID: 6494 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 40.677218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.686576] Call Trace: [ 40.689157] dump_stack+0x22c/0x33e [ 40.692800] should_fail.cold+0xa/0x2f [ 40.696696] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 40.701788] __should_failslab+0x153/0x1b6 [ 40.706006] should_failslab+0x5/0xf [ 40.709723] kmem_cache_alloc_node_trace+0x244/0x4d0 [ 40.714816] __kmalloc_node+0x38/0x70 [ 40.718698] kvmalloc_node+0x61/0xf0 [ 40.722412] alloc_netdev_mqs+0x831/0xd60 [ 40.726566] ? ieee80211_setup_sdata+0xf70/0xf70 [ 40.731304] ieee80211_if_add+0x21c/0x1790 [ 40.735540] ieee80211_add_iface+0x99/0x170 [ 40.739848] ? ieee80211_change_iface+0x220/0x220 [ 40.744691] nl80211_new_interface+0x4b0/0x15b0 [ 40.749343] ? nl80211_dump_mpath+0xb10/0xb10 [ 40.753821] ? nl80211_notify_iface+0x1b0/0x1b0 [ 40.758493] ? nl80211_pre_doit+0xa2/0x660 [ 40.762971] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 40.768059] genl_family_rcv_msg+0x6bf/0xd50 [ 40.772455] ? genl_family_attrbuf+0x120/0x120 [ 40.777028] ? genl_rcv_msg+0x15d/0x1b0 [ 40.781030] ? ww_mutex_unlock+0x2f0/0x2f0 [ 40.785255] ? __lock_acquire+0x6ec/0x3ff0 [ 40.790430] ? __radix_tree_lookup+0x251/0x3f0 [ 40.795012] genl_rcv_msg+0xdf/0x1b0 [ 40.798720] netlink_rcv_skb+0x160/0x440 [ 40.802773] ? genl_family_rcv_msg+0xd50/0xd50 [ 40.807346] ? netlink_ack+0xae0/0xae0 [ 40.811224] ? genl_rcv+0x15/0x40 [ 40.814676] genl_rcv+0x24/0x40 [ 40.817950] netlink_unicast+0x4d5/0x690 [ 40.821996] ? netlink_sendskb+0x110/0x110 [ 40.826233] netlink_sendmsg+0x717/0xcc0 [ 40.830281] ? nlmsg_notify+0x1a0/0x1a0 [ 40.834239] ? __sock_recv_ts_and_drops+0x540/0x540 [ 40.839245] ? nlmsg_notify+0x1a0/0x1a0 [ 40.843215] sock_sendmsg+0xc7/0x130 [ 40.846919] ___sys_sendmsg+0x7bb/0x8f0 [ 40.850882] ? copy_msghdr_from_user+0x440/0x440 [ 40.855635] ? proc_fail_nth_write+0x95/0x1d0 [ 40.860129] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.865050] ? find_held_lock+0x2d/0x110 [ 40.869569] ? debug_check_no_obj_freed+0x201/0x482 [ 40.874579] ? __vfs_write+0xff/0x770 [ 40.878396] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.883315] ? kernel_read+0x110/0x110 [ 40.887225] ? find_held_lock+0x2d/0x110 [ 40.891320] ? vfs_write+0x3d7/0x540 [ 40.895057] ? __fget_light+0x1a2/0x230 [ 40.899822] __x64_sys_sendmsg+0x132/0x220 [ 40.904055] ? __sys_sendmsg+0x1b0/0x1b0 [ 40.908149] ? vfs_write+0x393/0x540 [ 40.911867] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.917215] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.922219] ? do_syscall_64+0x21/0x670 [ 40.926193] do_syscall_64+0xf9/0x670 [ 40.929996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.935184] RIP: 0033:0x4418e9 [ 40.939228] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.958135] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.965860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 40.973139] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 40.980406] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 executing program [ 40.987684] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 40.994936] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 41.010424] FAULT_INJECTION: forcing a failure. [ 41.010424] name failslab, interval 1, probability 0, space 0, times 0 [ 41.022471] CPU: 1 PID: 6495 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 41.030361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.039714] Call Trace: [ 41.042304] dump_stack+0x22c/0x33e [ 41.045934] should_fail.cold+0xa/0x2f [ 41.049806] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 41.054897] __should_failslab+0x153/0x1b6 [ 41.059125] should_failslab+0x5/0xf [ 41.062821] kmem_cache_alloc_trace+0x2b6/0x4b0 [ 41.067477] mesh_rmc_init+0x45/0x170 [ 41.071261] ieee80211_mesh_init_sdata+0xb2/0x410 [ 41.076100] ieee80211_setup_sdata+0xcbb/0xf70 [ 41.080680] ieee80211_if_add+0xdce/0x1790 [ 41.084905] ieee80211_add_iface+0x99/0x170 [ 41.089225] ? ieee80211_change_iface+0x220/0x220 [ 41.094057] nl80211_new_interface+0x4b0/0x15b0 [ 41.098721] ? nl80211_dump_mpath+0xb10/0xb10 [ 41.103198] ? nl80211_notify_iface+0x1b0/0x1b0 [ 41.107862] ? nl80211_pre_doit+0xa2/0x660 [ 41.112090] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 41.117173] genl_family_rcv_msg+0x6bf/0xd50 [ 41.121562] ? genl_family_attrbuf+0x120/0x120 [ 41.126119] ? genl_rcv_msg+0x15d/0x1b0 [ 41.130085] ? ww_mutex_unlock+0x2f0/0x2f0 [ 41.134320] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 41.138885] ? __radix_tree_lookup+0x251/0x3f0 [ 41.143469] genl_rcv_msg+0xdf/0x1b0 [ 41.147166] netlink_rcv_skb+0x160/0x440 [ 41.151225] ? genl_family_rcv_msg+0xd50/0xd50 [ 41.155807] ? netlink_ack+0xae0/0xae0 [ 41.159688] ? genl_rcv+0x15/0x40 [ 41.163142] genl_rcv+0x24/0x40 [ 41.166407] netlink_unicast+0x4d5/0x690 [ 41.170452] ? netlink_sendskb+0x110/0x110 [ 41.174672] netlink_sendmsg+0x717/0xcc0 [ 41.178718] ? nlmsg_notify+0x1a0/0x1a0 [ 41.182671] ? __sock_recv_ts_and_drops+0x540/0x540 [ 41.187684] ? nlmsg_notify+0x1a0/0x1a0 [ 41.191653] sock_sendmsg+0xc7/0x130 [ 41.195347] ___sys_sendmsg+0x7bb/0x8f0 [ 41.199331] ? copy_msghdr_from_user+0x440/0x440 [ 41.204083] ? proc_fail_nth_write+0x95/0x1d0 [ 41.208561] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.213469] ? find_held_lock+0x2d/0x110 [ 41.217509] ? debug_check_no_obj_freed+0x201/0x482 [ 41.222508] ? __vfs_write+0xff/0x770 [ 41.226302] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.231212] ? kernel_read+0x110/0x110 [ 41.235087] ? find_held_lock+0x2d/0x110 [ 41.239141] ? vfs_write+0x3d7/0x540 [ 41.242837] ? __fget_light+0x1a2/0x230 [ 41.246795] __x64_sys_sendmsg+0x132/0x220 [ 41.254672] ? __sys_sendmsg+0x1b0/0x1b0 [ 41.258723] ? vfs_write+0x393/0x540 [ 41.262422] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.267768] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.272799] ? do_syscall_64+0x21/0x670 [ 41.276774] do_syscall_64+0xf9/0x670 [ 41.280559] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.285742] RIP: 0033:0x4418e9 [ 41.288915] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.307836] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.315533] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 41.322855] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 41.330113] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 executing program [ 41.337373] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.344637] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 41.395452] FAULT_INJECTION: forcing a failure. [ 41.395452] name failslab, interval 1, probability 0, space 0, times 0 [ 41.408062] CPU: 1 PID: 6503 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 41.415963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.425319] Call Trace: [ 41.427899] dump_stack+0x22c/0x33e [ 41.431512] should_fail.cold+0xa/0x2f [ 41.435404] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 41.440505] __should_failslab+0x153/0x1b6 [ 41.445708] should_failslab+0x5/0xf [ 41.449441] kmem_cache_alloc_trace+0x2b6/0x4b0 [ 41.454127] mesh_rmc_init+0x45/0x170 [ 41.457938] ieee80211_mesh_init_sdata+0xb2/0x410 [ 41.462793] ieee80211_setup_sdata+0xcbb/0xf70 [ 41.467371] ieee80211_if_add+0xdce/0x1790 [ 41.471606] ieee80211_add_iface+0x99/0x170 [ 41.475910] ? ieee80211_change_iface+0x220/0x220 [ 41.480738] nl80211_new_interface+0x4b0/0x15b0 [ 41.485508] ? nl80211_dump_mpath+0xb10/0xb10 [ 41.489985] ? nl80211_notify_iface+0x1b0/0x1b0 [ 41.494651] ? nl80211_pre_doit+0xa2/0x660 [ 41.498875] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 41.503961] genl_family_rcv_msg+0x6bf/0xd50 [ 41.508365] ? genl_family_attrbuf+0x120/0x120 [ 41.512926] ? genl_rcv_msg+0x15d/0x1b0 [ 41.516884] ? ww_mutex_unlock+0x2f0/0x2f0 [ 41.521112] ? __lock_acquire+0x6ec/0x3ff0 [ 41.525331] ? __radix_tree_lookup+0x251/0x3f0 [ 41.529899] genl_rcv_msg+0xdf/0x1b0 [ 41.533599] netlink_rcv_skb+0x160/0x440 [ 41.537647] ? genl_family_rcv_msg+0xd50/0xd50 [ 41.542214] ? netlink_ack+0xae0/0xae0 [ 41.546085] ? genl_rcv+0x15/0x40 [ 41.549522] genl_rcv+0x24/0x40 [ 41.552782] netlink_unicast+0x4d5/0x690 [ 41.556827] ? netlink_sendskb+0x110/0x110 [ 41.561055] netlink_sendmsg+0x717/0xcc0 [ 41.565104] ? nlmsg_notify+0x1a0/0x1a0 [ 41.569065] ? __sock_recv_ts_and_drops+0x540/0x540 [ 41.574067] ? nlmsg_notify+0x1a0/0x1a0 [ 41.578033] sock_sendmsg+0xc7/0x130 [ 41.581740] ___sys_sendmsg+0x7bb/0x8f0 [ 41.585696] ? copy_msghdr_from_user+0x440/0x440 [ 41.590459] ? proc_fail_nth_write+0x95/0x1d0 [ 41.595646] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.600553] ? find_held_lock+0x2d/0x110 [ 41.604597] ? debug_check_no_obj_freed+0x201/0x482 [ 41.609608] ? __vfs_write+0xff/0x770 [ 41.613401] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.618311] ? kernel_read+0x110/0x110 [ 41.622178] ? find_held_lock+0x2d/0x110 [ 41.626219] ? vfs_write+0x3d7/0x540 [ 41.629925] ? __fget_light+0x1a2/0x230 [ 41.633885] __x64_sys_sendmsg+0x132/0x220 [ 41.638099] ? __sys_sendmsg+0x1b0/0x1b0 [ 41.642148] ? vfs_write+0x393/0x540 [ 41.645859] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.651202] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.656204] ? do_syscall_64+0x21/0x670 [ 41.660156] do_syscall_64+0xf9/0x670 [ 41.663936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.669103] RIP: 0033:0x4418e9 [ 41.672280] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 41.691162] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.698857] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 41.706127] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 41.713392] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 [ 41.720657] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.727924] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 41.766887] FAULT_INJECTION: forcing a failure. [ 41.766887] name failslab, interval 1, probability 0, space 0, times 0 [ 41.783724] CPU: 0 PID: 6518 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 41.792313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.801664] Call Trace: [ 41.804261] dump_stack+0x22c/0x33e [ 41.807896] should_fail.cold+0xa/0x2f [ 41.811790] ? should_fail+0x142/0x7d8 [ 41.815683] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 41.820800] __should_failslab+0x153/0x1b6 [ 41.825039] should_failslab+0x5/0xf [ 41.828759] kmem_cache_alloc_trace+0x46/0x4b0 [ 41.833348] ? kmem_cache_alloc_trace+0x379/0x4b0 [ 41.838203] mesh_table_alloc+0x3d/0x150 [ 41.842268] mesh_pathtbl_init+0x13/0x100 [ 41.846427] ieee80211_mesh_init_sdata+0x18e/0x410 [ 41.851369] ieee80211_setup_sdata+0xcbb/0xf70 [ 41.855981] ieee80211_if_add+0xdce/0x1790 [ 41.860262] ieee80211_add_iface+0x99/0x170 [ 41.864616] ? ieee80211_change_iface+0x220/0x220 [ 41.869475] nl80211_new_interface+0x4b0/0x15b0 [ 41.874155] ? nl80211_dump_mpath+0xb10/0xb10 [ 41.878659] ? nl80211_notify_iface+0x1b0/0x1b0 [ 41.883339] ? nl80211_pre_doit+0xa2/0x660 [ 41.887581] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 41.892716] genl_family_rcv_msg+0x6bf/0xd50 [ 41.897138] ? genl_family_attrbuf+0x120/0x120 [ 41.901724] ? genl_rcv_msg+0x15d/0x1b0 [ 41.905707] ? ww_mutex_unlock+0x2f0/0x2f0 [ 41.909960] ? __lock_acquire+0x6ec/0x3ff0 [ 41.914217] ? __radix_tree_lookup+0x251/0x3f0 [ 41.918817] genl_rcv_msg+0xdf/0x1b0 [ 41.922541] netlink_rcv_skb+0x160/0x440 [ 41.926605] ? genl_family_rcv_msg+0xd50/0xd50 [ 41.931190] ? netlink_ack+0xae0/0xae0 [ 41.935086] ? genl_rcv+0x15/0x40 [ 41.938552] genl_rcv+0x24/0x40 [ 41.941861] netlink_unicast+0x4d5/0x690 [ 41.946050] ? netlink_sendskb+0x110/0x110 [ 41.950303] netlink_sendmsg+0x717/0xcc0 [ 41.954361] ? nlmsg_notify+0x1a0/0x1a0 [ 41.958314] ? __sock_recv_ts_and_drops+0x540/0x540 [ 41.963328] ? nlmsg_notify+0x1a0/0x1a0 [ 41.967283] sock_sendmsg+0xc7/0x130 [ 41.970987] ___sys_sendmsg+0x7bb/0x8f0 [ 41.974954] ? copy_msghdr_from_user+0x440/0x440 [ 41.979696] ? proc_fail_nth_write+0x95/0x1d0 [ 41.984184] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.989104] ? find_held_lock+0x2d/0x110 [ 41.993146] ? debug_check_no_obj_freed+0x201/0x482 [ 41.998144] ? __vfs_write+0xff/0x770 [ 42.001933] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.006844] ? kernel_read+0x110/0x110 [ 42.010712] ? find_held_lock+0x2d/0x110 [ 42.014762] ? vfs_write+0x3d7/0x540 [ 42.018459] ? __fget_light+0x1a2/0x230 [ 42.022426] __x64_sys_sendmsg+0x132/0x220 [ 42.026647] ? __sys_sendmsg+0x1b0/0x1b0 [ 42.030684] ? vfs_write+0x393/0x540 [ 42.034421] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.039780] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.044779] ? do_syscall_64+0x21/0x670 [ 42.048746] do_syscall_64+0xf9/0x670 [ 42.052538] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.057710] RIP: 0033:0x4418e9 [ 42.060880] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.079763] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.087496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 42.094762] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 42.102024] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 [ 42.109302] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 42.116566] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.148942] FAULT_INJECTION: forcing a failure. [ 42.148942] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 42.168796] CPU: 0 PID: 6542 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 42.176699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.186955] Call Trace: [ 42.189576] dump_stack+0x22c/0x33e [ 42.193214] should_fail.cold+0xa/0x2f [ 42.197111] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 42.202234] __alloc_pages_nodemask+0x256/0x2a60 [ 42.207025] ? deref_stack_reg+0x134/0x1d0 [ 42.211296] ? mark_held_locks+0xf0/0xf0 [ 42.215365] ? mark_held_locks+0xf0/0xf0 [ 42.219428] ? __save_stack_trace+0x5c/0x100 [ 42.223856] ? unwind_next_frame+0xefa/0x2430 [ 42.228366] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 42.233231] ? find_held_lock+0x2d/0x110 [ 42.237303] ? is_bpf_text_address+0x10f/0x1f0 [ 42.241897] ? lock_downgrade+0x750/0x750 [ 42.246050] ? lock_acquire+0x170/0x3f0 [ 42.250026] ? __bpf_address_lookup+0x370/0x370 [ 42.254702] ? check_preemption_disabled+0x41/0x2b0 [ 42.259731] ? is_bpf_text_address+0x136/0x1f0 [ 42.264327] alloc_pages_current+0x19d/0x2c0 [ 42.268753] depot_save_stack+0x40c/0x564 [ 42.272916] kasan_kmalloc+0x139/0x160 [ 42.276817] ? __kmalloc_node_track_caller+0x4c/0x70 [ 42.281922] ? __alloc_skb+0xae/0x580 [ 42.285729] ? inet6_netconf_notify_devconf+0xa0/0x1d0 [ 42.291014] ? addrconf_sysctl_unregister+0x131/0x1c0 [ 42.296207] ? addrconf_ifdown.isra.0+0xec8/0x1370 [ 42.301148] ? addrconf_notify+0x588/0x22b0 [ 42.305474] ? notifier_call_chain+0xc0/0x230 [ 42.309978] ? rollback_registered_many+0x894/0xf00 [ 42.314993] ? rollback_registered+0xe9/0x1b0 [ 42.319473] ? unregister_netdevice_queue+0x1de/0x400 [ 42.324656] ? ieee80211_if_remove+0x213/0x330 [ 42.329221] ? ieee80211_del_iface+0x12/0x20 [ 42.333614] ? cfg80211_destroy_ifaces+0x1f4/0x7c0 [ 42.338529] ? nl80211_new_interface+0x8f/0x15b0 [ 42.343266] ? genl_family_rcv_msg+0x6bf/0xd50 [ 42.347824] ? genl_rcv_msg+0xdf/0x1b0 [ 42.351692] ? netlink_rcv_skb+0x160/0x440 [ 42.355905] ? genl_rcv+0x24/0x40 [ 42.359338] ? netlink_unicast+0x4d5/0x690 [ 42.363556] ? netlink_sendmsg+0x717/0xcc0 [ 42.367785] ? sock_sendmsg+0xc7/0x130 [ 42.371662] ? ___sys_sendmsg+0x7bb/0x8f0 [ 42.375808] ? __x64_sys_sendmsg+0x132/0x220 [ 42.380220] ? do_syscall_64+0xf9/0x670 [ 42.384180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.389533] ? find_held_lock+0x2d/0x110 [ 42.393592] ? should_fail+0x142/0x7d8 [ 42.397470] ? fs_reclaim_release+0xd0/0x110 [ 42.401873] ? __kmalloc_node_track_caller+0x38/0x70 [ 42.406961] ? __kmalloc_node_track_caller+0x38/0x70 [ 42.412059] ? rcu_read_lock_sched_held+0x174/0x1e0 [ 42.417061] ? kmem_cache_alloc_node_trace+0x3a7/0x4d0 [ 42.422323] __kmalloc_node_track_caller+0x4c/0x70 [ 42.427235] __alloc_skb+0xae/0x580 [ 42.430845] inet6_netconf_notify_devconf+0xa0/0x1d0 [ 42.435941] addrconf_sysctl_unregister+0x131/0x1c0 [ 42.440940] addrconf_ifdown.isra.0+0xec8/0x1370 [ 42.445681] ? add_addr+0x270/0x270 [ 42.449291] ? bond_alb_init_slave+0x670/0xb90 [ 42.453857] addrconf_notify+0x588/0x22b0 [ 42.458027] ? mark_held_locks+0xa6/0xf0 [ 42.462096] ? clusterip_netdev_event+0x219/0x6a0 [ 42.466935] ? __local_bh_enable_ip+0x159/0x2a0 [ 42.471586] ? tls_device_gc_task+0x4c0/0x4c0 [ 42.476064] ? inet6_ifinfo_notify+0x140/0x140 [ 42.480712] ? clusterip_netdev_event+0x4cc/0x6a0 [ 42.485548] ? tee_netdev_event+0x46f/0x60a [ 42.489856] ? ip6mr_device_event+0x1ab/0x220 [ 42.494344] notifier_call_chain+0xc0/0x230 [ 42.498682] rollback_registered_many+0x894/0xf00 [ 42.503516] ? generic_xdp_install+0x5c0/0x5c0 [ 42.508126] ? lock_acquire+0x170/0x3f0 [ 42.512103] ? find_held_lock+0x2d/0x110 [ 42.516169] rollback_registered+0xe9/0x1b0 [ 42.520474] ? rollback_registered_many+0xf00/0xf00 [ 42.525488] ? nl80211_pre_doit+0x34f/0x660 [ 42.529802] ? __mutex_add_waiter+0x160/0x160 [ 42.534304] unregister_netdevice_queue+0x1de/0x400 [ 42.539322] ieee80211_if_remove+0x213/0x330 [ 42.543726] ieee80211_del_iface+0x12/0x20 [ 42.547955] cfg80211_destroy_ifaces+0x1f4/0x7c0 [ 42.552707] nl80211_new_interface+0x8f/0x15b0 [ 42.557292] ? nl80211_dump_mpath+0xb10/0xb10 [ 42.561776] ? nl80211_notify_iface+0x1b0/0x1b0 [ 42.566450] ? nl80211_pre_doit+0xa2/0x660 [ 42.570671] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 42.575772] genl_family_rcv_msg+0x6bf/0xd50 [ 42.580173] ? genl_family_attrbuf+0x120/0x120 [ 42.584747] ? genl_rcv_msg+0x15d/0x1b0 [ 42.588708] ? ww_mutex_unlock+0x2f0/0x2f0 [ 42.592927] ? __lock_acquire+0x6ec/0x3ff0 [ 42.597145] ? __radix_tree_lookup+0x251/0x3f0 [ 42.605363] genl_rcv_msg+0xdf/0x1b0 [ 42.609075] netlink_rcv_skb+0x160/0x440 [ 42.613118] ? genl_family_rcv_msg+0xd50/0xd50 [ 42.617697] ? netlink_ack+0xae0/0xae0 [ 42.621566] ? genl_rcv+0x15/0x40 [ 42.625006] genl_rcv+0x24/0x40 [ 42.628280] netlink_unicast+0x4d5/0x690 [ 42.632323] ? netlink_sendskb+0x110/0x110 [ 42.636561] netlink_sendmsg+0x717/0xcc0 [ 42.640617] ? nlmsg_notify+0x1a0/0x1a0 [ 42.644581] ? __sock_recv_ts_and_drops+0x540/0x540 [ 42.649597] ? nlmsg_notify+0x1a0/0x1a0 [ 42.653564] sock_sendmsg+0xc7/0x130 [ 42.657270] ___sys_sendmsg+0x7bb/0x8f0 [ 42.661243] ? copy_msghdr_from_user+0x440/0x440 [ 42.665986] ? proc_fail_nth_write+0x95/0x1d0 [ 42.670475] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.675409] ? find_held_lock+0x2d/0x110 [ 42.679454] ? debug_check_no_obj_freed+0x201/0x482 [ 42.684459] ? __vfs_write+0xff/0x770 [ 42.688251] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.693169] ? kernel_read+0x110/0x110 [ 42.697052] ? find_held_lock+0x2d/0x110 [ 42.701106] ? vfs_write+0x3d7/0x540 [ 42.704818] ? __fget_light+0x1a2/0x230 [ 42.708777] __x64_sys_sendmsg+0x132/0x220 [ 42.712997] ? __sys_sendmsg+0x1b0/0x1b0 [ 42.717038] ? vfs_write+0x393/0x540 [ 42.720751] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.726110] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.731121] ? do_syscall_64+0x21/0x670 [ 42.735096] do_syscall_64+0xf9/0x670 [ 42.738884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.744057] RIP: 0033:0x4418e9 [ 42.747234] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.766827] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.774524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 42.781785] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 42.789051] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 [ 42.796307] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.803573] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.817873] BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1355 [ 42.826549] in_atomic(): 0, irqs_disabled(): 1, pid: 6542, name: syz-executor839 [ 42.834110] 4 locks held by syz-executor839/6542: [ 42.838972] #0: 000000005b0e53d8 (cb_lock){++++}, at: genl_rcv+0x15/0x40 [ 42.845924] #1: 00000000085edd05 (genl_mutex){+.+.}, at: genl_rcv_msg+0x15d/0x1b0 [ 42.853662] #2: 00000000ed4f8b63 (rtnl_mutex){+.+.}, at: nl80211_pre_doit+0x34f/0x660 [ 42.861742] #3: 00000000214a26bd (&mm->mmap_sem){++++}, at: __do_page_fault+0x3e2/0xe00 [ 42.870005] irq event stamp: 4170 [ 42.873482] hardirqs last enabled at (4169): [] kfree+0x110/0x250 [ 42.881394] hardirqs last disabled at (4170): [] try_to_grab_pending+0xb5/0x720 [ 42.890450] softirqs last enabled at (2462): [] rollback_registered_many+0x937/0xf00 [ 42.899974] softirqs last disabled at (2460): [] dev_mc_flush+0x19/0x30 [ 42.908276] CPU: 0 PID: 6542 Comm: syz-executor839 Not tainted 4.19.152-syzkaller #0 [ 42.916139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.925483] Call Trace: [ 42.928078] dump_stack+0x22c/0x33e [ 42.931709] ___might_sleep.cold+0x6a/0x7e [ 42.935985] __do_page_fault+0x40d/0xe00 [ 42.940045] ? trace_hardirqs_off_caller+0x2c/0x210 [ 42.945090] ? spurious_fault+0x890/0x890 [ 42.949221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.954052] page_fault+0x1e/0x30 [ 42.957520] RIP: 0010:try_to_grab_pending+0xcd/0x720 [ 42.962609] Code: 3c 02 00 0f 85 56 05 00 00 4c 89 6d 00 e8 ab 82 2d 00 31 ff 44 89 e6 e8 41 05 28 00 45 84 e4 0f 85 da 01 00 00 e8 03 04 28 00 48 0f ba 2b 00 41 0f 92 c4 31 ff 44 89 e6 e8 1f 05 28 00 45 84 [ 42.981513] RSP: 0018:ffff888084a97120 EFLAGS: 00010093 [ 42.986863] RAX: ffff8880893065c0 RBX: 0000000000000080 RCX: ffffffff8149cebf [ 42.994117] RDX: 0000000000000000 RSI: ffffffff8149cecd RDI: 0000000000000001 [ 43.001366] RBP: ffff888084a97198 R08: 0000000000000000 R09: 0000000000000000 [ 43.008631] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 43.015900] R13: 0000000000000293 R14: dffffc0000000010 R15: ffff8880893065c0 [ 43.023174] ? try_to_grab_pending+0xbf/0x720 [ 43.027665] ? try_to_grab_pending+0xcd/0x720 [ 43.032146] __cancel_work_timer+0xa6/0x5c0 [ 43.036464] ? mod_delayed_work_on+0x210/0x210 [ 43.041042] ? trace_hardirqs_off+0x64/0x200 [ 43.045460] ? _raw_spin_unlock_irqrestore+0x6a/0xf0 [ 43.050547] ? mark_held_locks+0xa6/0xf0 [ 43.054615] ? kfree+0x110/0x250 [ 43.058011] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.063011] rhashtable_free_and_destroy+0x2b/0xa50 [ 43.068018] ? mesh_path_tbl_expire.constprop.0+0x1d0/0x1d0 [ 43.073720] ? mesh_rmc_free+0x1ae/0x260 [ 43.077774] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.082772] mesh_pathtbl_unregister+0x42/0x9a [ 43.087336] ieee80211_teardown_sdata+0x216/0x2d0 [ 43.092164] ? rollback_registered_many+0x937/0xf00 [ 43.097177] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.102176] rollback_registered_many+0x97d/0xf00 [ 43.107033] ? generic_xdp_install+0x5c0/0x5c0 [ 43.111603] ? lock_acquire+0x170/0x3f0 [ 43.115578] ? find_held_lock+0x2d/0x110 [ 43.119633] rollback_registered+0xe9/0x1b0 [ 43.123954] ? rollback_registered_many+0xf00/0xf00 [ 43.128955] ? nl80211_pre_doit+0x34f/0x660 [ 43.133274] ? __mutex_add_waiter+0x160/0x160 [ 43.137758] unregister_netdevice_queue+0x1de/0x400 [ 43.142772] ieee80211_if_remove+0x213/0x330 [ 43.147168] ieee80211_del_iface+0x12/0x20 [ 43.151385] cfg80211_destroy_ifaces+0x1f4/0x7c0 [ 43.156152] nl80211_new_interface+0x8f/0x15b0 [ 43.160718] ? nl80211_dump_mpath+0xb10/0xb10 [ 43.165198] ? nl80211_notify_iface+0x1b0/0x1b0 [ 43.169860] ? nl80211_pre_doit+0xa2/0x660 [ 43.174078] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 43.179164] genl_family_rcv_msg+0x6bf/0xd50 [ 43.184257] ? genl_family_attrbuf+0x120/0x120 [ 43.188819] ? genl_rcv_msg+0x15d/0x1b0 [ 43.192777] ? ww_mutex_unlock+0x2f0/0x2f0 [ 43.197006] ? __lock_acquire+0x6ec/0x3ff0 [ 43.201240] ? __radix_tree_lookup+0x251/0x3f0 [ 43.205806] genl_rcv_msg+0xdf/0x1b0 [ 43.209524] netlink_rcv_skb+0x160/0x440 [ 43.213569] ? genl_family_rcv_msg+0xd50/0xd50 [ 43.218141] ? netlink_ack+0xae0/0xae0 [ 43.222025] ? genl_rcv+0x15/0x40 [ 43.225489] genl_rcv+0x24/0x40 [ 43.228751] netlink_unicast+0x4d5/0x690 [ 43.232801] ? netlink_sendskb+0x110/0x110 [ 43.237035] netlink_sendmsg+0x717/0xcc0 [ 43.241097] ? nlmsg_notify+0x1a0/0x1a0 [ 43.245067] ? __sock_recv_ts_and_drops+0x540/0x540 [ 43.250071] ? nlmsg_notify+0x1a0/0x1a0 [ 43.254043] sock_sendmsg+0xc7/0x130 [ 43.257740] ___sys_sendmsg+0x7bb/0x8f0 [ 43.261697] ? copy_msghdr_from_user+0x440/0x440 [ 43.266451] ? proc_fail_nth_write+0x95/0x1d0 [ 43.270948] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.281507] ? find_held_lock+0x2d/0x110 [ 43.285554] ? debug_check_no_obj_freed+0x201/0x482 [ 43.290555] ? __vfs_write+0xff/0x770 [ 43.294348] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.299271] ? kernel_read+0x110/0x110 [ 43.303150] ? find_held_lock+0x2d/0x110 [ 43.307193] ? vfs_write+0x3d7/0x540 [ 43.310891] ? __fget_light+0x1a2/0x230 [ 43.314856] __x64_sys_sendmsg+0x132/0x220 [ 43.319169] ? __sys_sendmsg+0x1b0/0x1b0 [ 43.323216] ? vfs_write+0x393/0x540 [ 43.326917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.332265] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.337282] ? do_syscall_64+0x21/0x670 [ 43.341246] do_syscall_64+0xf9/0x670 [ 43.345034] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.350219] RIP: 0033:0x4418e9 [ 43.353393] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.372284] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.379992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 43.387249] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 43.394529] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 [ 43.401799] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.409056] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.416354] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 43.424307] PGD a3eb8067 P4D a3eb8067 PUD 8fdc3067 PMD 0 [ 43.429833] Oops: 0002 [#1] PREEMPT SMP KASAN [ 43.434577] CPU: 0 PID: 6542 Comm: syz-executor839 Tainted: G W 4.19.152-syzkaller #0 [ 43.444019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.453385] RIP: 0010:try_to_grab_pending+0xcd/0x720 [ 43.458501] Code: 3c 02 00 0f 85 56 05 00 00 4c 89 6d 00 e8 ab 82 2d 00 31 ff 44 89 e6 e8 41 05 28 00 45 84 e4 0f 85 da 01 00 00 e8 03 04 28 00 48 0f ba 2b 00 41 0f 92 c4 31 ff 44 89 e6 e8 1f 05 28 00 45 84 [ 43.477438] RSP: 0018:ffff888084a97120 EFLAGS: 00010093 [ 43.482816] RAX: ffff8880893065c0 RBX: 0000000000000080 RCX: ffffffff8149cebf [ 43.490099] RDX: 0000000000000000 RSI: ffffffff8149cecd RDI: 0000000000000001 [ 43.497393] RBP: ffff888084a97198 R08: 0000000000000000 R09: 0000000000000000 [ 43.504653] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 43.511925] R13: 0000000000000293 R14: dffffc0000000010 R15: ffff8880893065c0 [ 43.519194] FS: 0000000000c45880(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 43.537264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.543297] CR2: 0000000000000080 CR3: 00000000a7700000 CR4: 00000000001406f0 [ 43.550565] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.557855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.565134] Call Trace: [ 43.567752] __cancel_work_timer+0xa6/0x5c0 [ 43.572100] ? mod_delayed_work_on+0x210/0x210 [ 43.576709] ? trace_hardirqs_off+0x64/0x200 [ 43.581142] ? _raw_spin_unlock_irqrestore+0x6a/0xf0 [ 43.586686] ? mark_held_locks+0xa6/0xf0 [ 43.590740] ? kfree+0x110/0x250 [ 43.594142] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.599153] rhashtable_free_and_destroy+0x2b/0xa50 [ 43.604169] ? mesh_path_tbl_expire.constprop.0+0x1d0/0x1d0 [ 43.609872] ? mesh_rmc_free+0x1ae/0x260 [ 43.613928] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.618982] mesh_pathtbl_unregister+0x42/0x9a [ 43.623566] ieee80211_teardown_sdata+0x216/0x2d0 [ 43.628496] ? rollback_registered_many+0x937/0xf00 [ 43.633539] ? ieee80211_teardown_sdata+0x2d0/0x2d0 [ 43.638588] rollback_registered_many+0x97d/0xf00 [ 43.643525] ? generic_xdp_install+0x5c0/0x5c0 [ 43.648108] ? lock_acquire+0x170/0x3f0 [ 43.652140] ? find_held_lock+0x2d/0x110 [ 43.656347] rollback_registered+0xe9/0x1b0 [ 43.660885] ? rollback_registered_many+0xf00/0xf00 [ 43.666073] ? nl80211_pre_doit+0x34f/0x660 [ 43.670425] ? __mutex_add_waiter+0x160/0x160 [ 43.674917] unregister_netdevice_queue+0x1de/0x400 [ 43.679991] ieee80211_if_remove+0x213/0x330 [ 43.684541] ieee80211_del_iface+0x12/0x20 [ 43.688851] cfg80211_destroy_ifaces+0x1f4/0x7c0 [ 43.693698] nl80211_new_interface+0x8f/0x15b0 [ 43.698284] ? nl80211_dump_mpath+0xb10/0xb10 [ 43.702924] ? nl80211_notify_iface+0x1b0/0x1b0 [ 43.707601] ? nl80211_pre_doit+0xa2/0x660 [ 43.711878] ? nl80211_vendor_cmd_dump+0x15e0/0x15e0 [ 43.717113] genl_family_rcv_msg+0x6bf/0xd50 [ 43.721976] ? genl_family_attrbuf+0x120/0x120 [ 43.726867] ? genl_rcv_msg+0x15d/0x1b0 [ 43.730976] ? ww_mutex_unlock+0x2f0/0x2f0 [ 43.735400] ? __lock_acquire+0x6ec/0x3ff0 [ 43.739717] ? __radix_tree_lookup+0x251/0x3f0 [ 43.744345] genl_rcv_msg+0xdf/0x1b0 [ 43.748058] netlink_rcv_skb+0x160/0x440 [ 43.752113] ? genl_family_rcv_msg+0xd50/0xd50 [ 43.756812] ? netlink_ack+0xae0/0xae0 [ 43.760697] ? genl_rcv+0x15/0x40 [ 43.764407] genl_rcv+0x24/0x40 [ 43.767694] netlink_unicast+0x4d5/0x690 [ 43.771800] ? netlink_sendskb+0x110/0x110 [ 43.776031] netlink_sendmsg+0x717/0xcc0 [ 43.780098] ? nlmsg_notify+0x1a0/0x1a0 [ 43.784252] ? __sock_recv_ts_and_drops+0x540/0x540 [ 43.789397] ? nlmsg_notify+0x1a0/0x1a0 [ 43.793372] sock_sendmsg+0xc7/0x130 [ 43.797186] ___sys_sendmsg+0x7bb/0x8f0 [ 43.801289] ? copy_msghdr_from_user+0x440/0x440 [ 43.806095] ? proc_fail_nth_write+0x95/0x1d0 [ 43.810603] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.815529] ? find_held_lock+0x2d/0x110 [ 43.820493] ? debug_check_no_obj_freed+0x201/0x482 [ 43.825595] ? __vfs_write+0xff/0x770 [ 43.829459] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.834475] ? kernel_read+0x110/0x110 [ 43.838356] ? find_held_lock+0x2d/0x110 [ 43.842647] ? vfs_write+0x3d7/0x540 [ 43.846358] ? __fget_light+0x1a2/0x230 [ 43.850336] __x64_sys_sendmsg+0x132/0x220 [ 43.854571] ? __sys_sendmsg+0x1b0/0x1b0 [ 43.858889] ? vfs_write+0x393/0x540 [ 43.862673] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.868151] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.873772] ? do_syscall_64+0x21/0x670 [ 43.877743] do_syscall_64+0xf9/0x670 [ 43.881542] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.886937] RIP: 0033:0x4418e9 [ 43.890138] Code: e8 5c ac 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 1b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.909481] RSP: 002b:00007ffd0e7a1c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.917474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004418e9 [ 43.925039] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 43.932314] RBP: 00007ffd0e7a1c30 R08: 0000000000000002 R09: 0000000000000000 [ 43.939630] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.947105] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.954463] Modules linked in: [ 43.957795] CR2: 0000000000000080 [ 43.961247] ---[ end trace 46f50f6f7177ff44 ]--- [ 43.966077] RIP: 0010:try_to_grab_pending+0xcd/0x720 [ 43.971245] Code: 3c 02 00 0f 85 56 05 00 00 4c 89 6d 00 e8 ab 82 2d 00 31 ff 44 89 e6 e8 41 05 28 00 45 84 e4 0f 85 da 01 00 00 e8 03 04 28 00 48 0f ba 2b 00 41 0f 92 c4 31 ff 44 89 e6 e8 1f 05 28 00 45 84 [ 43.990279] RSP: 0018:ffff888084a97120 EFLAGS: 00010093 [ 43.995648] RAX: ffff8880893065c0 RBX: 0000000000000080 RCX: ffffffff8149cebf [ 44.002928] RDX: 0000000000000000 RSI: ffffffff8149cecd RDI: 0000000000000001 [ 44.010321] RBP: ffff888084a97198 R08: 0000000000000000 R09: 0000000000000000 [ 44.017583] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 44.024895] R13: 0000000000000293 R14: dffffc0000000010 R15: ffff8880893065c0 [ 44.032160] FS: 0000000000c45880(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 44.040383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.046253] CR2: 0000000000000080 CR3: 00000000a7700000 CR4: 00000000001406f0 [ 44.053517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.060875] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.068282] Kernel panic - not syncing: Fatal exception [ 44.074999] Kernel Offset: disabled [ 44.078629] Rebooting in 86400 seconds..