[ 44.305533] device bridge_slave_1 left promiscuous mode [ 44.311521] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.323871] device bridge_slave_0 left promiscuous mode [ 44.329412] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.355094] team0 (unregistering): Port device team_slave_1 removed [ 44.364666] team0 (unregistering): Port device team_slave_0 removed [ 44.374345] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 44.392629] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 44.415269] bond0 (unregistering): Released all slaves [ 57.038853] random: crng init done Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. 2019/11/26 10:00:35 parsed 1 programs 2019/11/26 10:00:35 executed programs: 0 [ 64.374174] IPVS: ftp: loaded support on port[0] = 21 [ 64.405314] IPVS: ftp: loaded support on port[0] = 21 [ 64.417611] FAULT_INJECTION: forcing a failure. [ 64.417611] name failslab, interval 1, probability 0, space 0, times 1 [ 64.433598] CPU: 0 PID: 4236 Comm: syz-executor2 Not tainted 4.12.0-syzkaller #0 [ 64.436980] IPVS: ftp: loaded support on port[0] = 21 [ 64.446345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.455698] Call Trace: [ 64.458287] dump_stack+0x145/0x1e7 [ 64.461912] ? arch_local_irq_restore+0x43/0x43 [ 64.466582] ? trace_hardirqs_off+0x10/0x10 [ 64.470916] should_fail.cold.4+0x5/0x1c [ 64.472078] IPVS: ftp: loaded support on port[0] = 21 [ 64.480157] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 64.485268] ? print_usage_bug+0xc0/0xc0 [ 64.489342] ? __lock_is_held+0xb5/0x140 [ 64.493407] ? trace_event_raw_event_sched_swap_numa+0x600/0x600 [ 64.499576] ? mark_held_locks+0xc9/0x160 [ 64.503749] should_failslab+0xba/0xf0 [ 64.507485] IPVS: ftp: loaded support on port[0] = 21 [ 64.512818] __kmalloc_track_caller+0x2ba/0x750 [ 64.517494] ? kstrdup_const+0x1f/0x30 [ 64.521397] kstrdup+0x2c/0x60 [ 64.524593] kstrdup_const+0x1f/0x30 [ 64.528307] __kernfs_new_node+0x8d/0x450 [ 64.532463] ? kernfs_active+0x150/0x150 [ 64.537220] ? lock_release+0x9d0/0x9d0 [ 64.541368] ? do_raw_spin_unlock+0x1ec/0x2d0 [ 64.543464] IPVS: ftp: loaded support on port[0] = 21 [ 64.551051] ? do_raw_spin_trylock+0x190/0x190 [ 64.555640] kernfs_new_node+0x5e/0xe0 [ 64.559532] kernfs_create_link+0x25/0x130 [ 64.563816] sysfs_do_create_link_sd.isra.2+0x7d/0xf0 [ 64.569009] sysfs_create_link+0x43/0xb0 [ 64.573072] device_add+0x68d/0x1540 [ 64.576792] ? device_private_init+0x240/0x240 [ 64.581378] ? kfree+0x1e3/0x250 [ 64.584762] ? kfree_const+0x1c/0x20 [ 64.588491] device_create_groups_vargs+0x1c0/0x220 [ 64.593535] device_create_vargs+0x11/0x20 [ 64.597793] bdi_register_va.part.9+0xab/0x810 [ 64.602353] ? trace_hardirqs_on_caller+0x40c/0x580 [ 64.607348] ? cgwb_kill+0x5b0/0x5b0 [ 64.611043] ? lockdep_init_map+0x105/0x550 [ 64.615341] ? lockdep_init_map+0x105/0x550 [ 64.619683] ? __init_waitqueue_head+0x96/0x140 [ 64.624341] ? init_wait_entry+0x1b0/0x1b0 [ 64.628571] ? lockdep_init_map+0x105/0x550 [ 64.632882] ? print_usage_bug+0xc0/0xc0 [ 64.636936] bdi_register+0xe4/0x100 [ 64.640635] ? number+0x775/0xa30 [ 64.644074] ? bdi_register_va+0x70/0x70 [ 64.648128] bdi_register_owner+0x59/0xe0 [ 64.652271] device_add_disk+0x6ab/0xf60 [ 64.656317] ? blk_alloc_devt+0x240/0x240 [ 64.660458] ? pointer+0xc20/0xc20 [ 64.663976] ? rand_initialize_disk+0x40/0xc0 [ 64.668453] ? mark_held_locks+0xc9/0x160 [ 64.672667] ? sprintf+0x95/0xb0 [ 64.676012] ? scnprintf+0xd0/0xd0 [ 64.679547] ? lockdep_init_map+0x105/0x550 [ 64.683862] loop_add+0x5d4/0x7f0 [ 64.692684] ? loop_queue_rq+0x250/0x250 [ 64.696736] loop_probe+0x15a/0x190 [ 64.700339] ? loop_control_ioctl+0x430/0x430 [ 64.704819] kobj_lookup+0x20d/0x410 [ 64.708523] ? loop_control_ioctl+0x430/0x430 [ 64.712997] ? mntput_no_expire+0x139/0x9a0 [ 64.717318] get_gendisk+0x2d/0x1d0 [ 64.721881] blkdev_get+0x100/0x9d0 [ 64.725501] ? dput.part.28+0x25/0x620 [ 64.729380] ? bdget+0x640/0x640 [ 64.732736] ? path_put+0x4b/0x60 [ 64.736186] ? lookup_bdev+0x162/0x1c0 [ 64.740075] ? blkdev_open+0x270/0x270 [ 64.743955] blkdev_get_by_path+0x37/0x70 [ 64.748115] mount_bdev+0x43/0x330 [ 64.751649] ? fuse_get_root_inode+0x170/0x170 [ 64.756233] fuse_mount_blk+0x10/0x20 [ 64.760030] mount_fs+0x7f/0x269 [ 64.763447] vfs_kern_mount.part.32+0xbf/0x5c0 [ 64.768029] ? may_umount+0xa0/0xa0 [ 64.771663] ? _raw_read_unlock+0x22/0x30 [ 64.775807] ? __get_fs_type+0x7b/0xb0 [ 64.779688] do_mount+0x372/0x2cc0 [ 64.783310] ? copy_mount_string+0x20/0x20 [ 64.787535] ? lock_release+0x9d0/0x9d0 [ 64.791498] ? rcu_pm_notify+0xc0/0xc0 [ 64.796844] ? copy_mount_options+0x55/0x270 [ 64.801234] ? rcu_read_lock_sched_held+0x108/0x120 [ 64.806247] ? kmem_cache_alloc_trace+0x60c/0x770 [ 64.811091] ? kasan_check_write+0x14/0x20 [ 64.815326] ? copy_mount_options+0x55/0x270 [ 64.819749] SyS_mount+0xb8/0xd0 [ 64.823102] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 64.827840] RIP: 0033:0x455ac9 [ 64.831035] RSP: 002b:00007f2b6b06db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.838722] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455ac9 [ 64.845982] RDX: 00000000004ba385 RSI: 0000000020000080 RDI: 00000000200000c0 [ 64.853415] RBP: 0000000000000082 R08: 00007f2b6b06db20 R09: 0000000000000000 [ 64.860676] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ba65d [ 64.867934] R13: 00007f2b6b06dbb8 R14: 00000000004ba65d R15: 0000000000000000 [ 64.880953] kasan: CONFIG_KASAN_INLINE enabled [ 64.885802] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 64.893297] general protection fault: 0000 [#1] SMP KASAN [ 64.898831] Modules linked in: [ 64.902012] CPU: 0 PID: 4236 Comm: syz-executor2 Not tainted 4.12.0-syzkaller #0 [ 64.909524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.918869] task: ffff8801c99fc000 task.stack: ffff8801cb310000 [ 64.924926] RIP: 0010:sysfs_do_create_link_sd.isra.2+0x48/0xf0 [ 64.930888] RSP: 0018:ffff8801cb317628 EFLAGS: 00010202 [ 64.936242] RAX: dffffc0000000000 RBX: ffffffff8714fac0 RCX: 0000000000000000 [ 64.943496] RDX: 0000000000000008 RSI: ffff8801c99fc870 RDI: ffffffff88007844 [ 64.950748] RBP: ffff8801cb317650 R08: 000000000000000c R09: 2d3095780206e719 [ 64.958002] R10: ffff8801c99fc870 R11: ffff8801c99fc000 R12: ffff8801c9996308 [ 64.965295] R13: 0000000000000040 R14: 0000000000000001 R15: ffff8801ce88e580 [ 64.972557] FS: 00007f2b6b06e700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 64.980764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.986624] CR2: 00007fc8a466ca20 CR3: 00000001ceca4000 CR4: 00000000001406f0 [ 64.993889] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.001152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.008420] Call Trace: [ 65.011038] sysfs_create_link+0x43/0xb0 [ 65.015100] ? blk_get_queue+0x3d/0x60 [ 65.018975] device_add_disk+0xb19/0xf60 [ 65.023020] ? blk_alloc_devt+0x240/0x240 [ 65.027157] ? pointer+0xc20/0xc20 [ 65.030686] ? rand_initialize_disk+0x40/0xc0 [ 65.035171] ? mark_held_locks+0xc9/0x160 [ 65.039304] ? sprintf+0x95/0xb0 [ 65.042648] ? scnprintf+0xd0/0xd0 [ 65.046192] loop_add+0x5d4/0x7f0 [ 65.049630] ? loop_queue_rq+0x250/0x250 [ 65.053672] loop_probe+0x15a/0x190 [ 65.057282] ? loop_control_ioctl+0x430/0x430 [ 65.061755] kobj_lookup+0x20d/0x410 [ 65.065459] ? loop_control_ioctl+0x430/0x430 [ 65.070573] ? mntput_no_expire+0x139/0x9a0 [ 65.074996] get_gendisk+0x2d/0x1d0 [ 65.078619] blkdev_get+0x100/0x9d0 [ 65.082496] ? dput.part.28+0x25/0x620 [ 65.086370] ? bdget+0x640/0x640 [ 65.089715] ? path_put+0x4b/0x60 [ 65.093161] ? lookup_bdev+0x162/0x1c0 [ 65.097029] ? blkdev_open+0x270/0x270 [ 65.100907] blkdev_get_by_path+0x37/0x70 [ 65.105050] mount_bdev+0x43/0x330 [ 65.108567] ? fuse_get_root_inode+0x170/0x170 [ 65.113130] fuse_mount_blk+0x10/0x20 [ 65.116926] mount_fs+0x7f/0x269 [ 65.120287] vfs_kern_mount.part.32+0xbf/0x5c0 [ 65.124847] ? may_umount+0xa0/0xa0 [ 65.128466] ? _raw_read_unlock+0x22/0x30 [ 65.132593] ? __get_fs_type+0x7b/0xb0 [ 65.136473] do_mount+0x372/0x2cc0 [ 65.139994] ? copy_mount_string+0x20/0x20 [ 65.144233] ? lock_release+0x9d0/0x9d0 [ 65.148192] ? rcu_pm_notify+0xc0/0xc0 [ 65.152058] ? copy_mount_options+0x55/0x270 [ 65.156444] ? rcu_read_lock_sched_held+0x108/0x120 [ 65.161457] ? kmem_cache_alloc_trace+0x60c/0x770 [ 65.166339] ? kasan_check_write+0x14/0x20 [ 65.170582] ? copy_mount_options+0x55/0x270 [ 65.174987] SyS_mount+0xb8/0xd0 [ 65.178349] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 65.183080] RIP: 0033:0x455ac9 [ 65.186247] RSP: 002b:00007f2b6b06db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.193943] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455ac9 [ 65.201200] RDX: 00000000004ba385 RSI: 0000000020000080 RDI: 00000000200000c0 [ 65.208461] RBP: 0000000000000082 R08: 00007f2b6b06db20 R09: 0000000000000000 [ 65.215719] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ba65d [ 65.222988] R13: 00007f2b6b06dbb8 R14: 00000000004ba65d R15: 0000000000000000 [ 65.230247] Code: 41 55 49 89 f5 41 54 49 89 fc 48 c7 c7 40 78 00 88 53 48 89 d3 e8 a9 62 ff 04 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 86 00 00 00 4d 8b 6d 00 4d 85 ed 74 52 4c 89 [ 65.250274] RIP: sysfs_do_create_link_sd.isra.2+0x48/0xf0 RSP: ffff8801cb317628 [ 65.257861] ---[ end trace 6834d1957a4a13e9 ]--- [ 65.262649] Kernel panic - not syncing: Fatal exception [ 65.268742] Kernel Offset: disabled [ 65.272460] Rebooting in 86400 seconds..