__dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b9/0x29f lib/dump_stack.c:53 kobject_add_internal failed for _dev_qat_adf_ctl with -EEXIST, don't try to register things with the same name in the same directory. sysfs_warn_dup.cold.3+0x1c/0x2b fs/sysfs/dir.c:30 sysfs_create_dir_ns+0x184/0x1d0 fs/sysfs/dir.c:58 create_dir lib/kobject.c:69 [inline] kobject_add_internal+0x353/0xba0 lib/kobject.c:228 WARNING: CPU: 1 PID: 4483 at lib/kobject.c:238 kobject_add_internal+0x8e0/0xba0 lib/kobject.c:236 Kernel panic - not syncing: panic_on_warn set ... kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xed/0x130 lib/kobject.c:435 gfs2_sys_fs_add+0x1ff/0x500 fs/gfs2/sys.c:652 fill_super+0x8c9/0x1a40 fs/gfs2/ops_fstype.c:1118 gfs2_mount+0x5e6/0x712 fs/gfs2/ops_fstype.c:1321 mount_fs+0xae/0x328 fs/super.c:1222 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 ksys_mount+0x12d/0x140 fs/namespace.c:3063 SYSC_mount fs/namespace.c:3077 [inline] SyS_mount+0x35/0x50 fs/namespace.c:3074 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4430fa RSP: 002b:00007ffcdc6f2be8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004430fa RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffcdc6f2c00 RBP: 00000000006cb018 R08: 0000000020000540 R09: 000000000000000a R10: 0000000000000000 R11: 0000000000000297 R12: 6e5f6b636f6c3d6f R13: 746f72706b636f6c R14: 0030656c69662f2e R15: 0000000000000004 CPU: 1 PID: 4483 Comm: syzkaller531849 Not tainted 4.16.0+ #2 ------------[ cut here ]------------ Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b9/0x29f lib/dump_stack.c:53 kobject_add_internal failed for _dev_qat_adf_ctl with -EEXIST, don't try to register things with the same name in the same directory. panic+0x22f/0x4de kernel/panic.c:183 WARNING: CPU: 0 PID: 4484 at lib/kobject.c:238 kobject_add_internal+0x8e0/0xba0 lib/kobject.c:236 Modules linked in: CPU: 0 PID: 4484 Comm: syzkaller531849 Not tainted 4.16.0+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kobject_add_internal+0x8e0/0xba0 lib/kobject.c:236 __warn.cold.8+0x163/0x1a3 kernel/panic.c:547 RSP: 0018:ffff8801ad7bf480 EFLAGS: 00010286 RAX: 0000000000000085 RBX: ffff8801d9ba5190 RCX: ffffffff815ecc1d report_bug+0x252/0x2d0 lib/bug.c:186 RDX: 0000000000000000 RSI: ffffffff815f1a01 RDI: ffff8801ad7befe0 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1bc/0x470 arch/x86/kernel/traps.c:296 RBP: ffff8801ad7bf578 R08: ffff8801d98ac700 R09: 0000000000000006 R10: ffff8801d98ac700 R11: 0000000000000000 R12: 00000000ffffffef R13: ffff8801d41d7948 R14: 1ffff10035af7e9a R15: ffff8801d41d7900 FS: 00000000019bb880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004b5798 CR3: 00000001adde4000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:991 RIP: 0010:kobject_add_internal+0x8e0/0xba0 lib/kobject.c:236 RSP: 0018:ffff8801ad757480 EFLAGS: 00010286 RAX: 0000000000000085 RBX: ffff8801d9925150 RCX: ffffffff815ecc1d RDX: 0000000000000000 RSI: ffffffff815f1a01 RDI: ffff8801ad756fe0 RBP: ffff8801ad757578 R08: ffff8801d99706c0 R09: 0000000000000006 R10: ffff8801d99706c0 R11: 0000000000000000 R12: 00000000ffffffef R13: ffff8801d41d7948 R14: 1ffff10035aeae9a R15: ffff8801d41d7900 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xed/0x130 lib/kobject.c:435 gfs2_sys_fs_add+0x1ff/0x500 fs/gfs2/sys.c:652 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xed/0x130 lib/kobject.c:435 gfs2_sys_fs_add+0x1ff/0x500 fs/gfs2/sys.c:652 fill_super+0x8c9/0x1a40 fs/gfs2/ops_fstype.c:1118 fill_super+0x8c9/0x1a40 fs/gfs2/ops_fstype.c:1118 gfs2_mount+0x5e6/0x712 fs/gfs2/ops_fstype.c:1321 mount_fs+0xae/0x328 fs/super.c:1222 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 gfs2_mount+0x5e6/0x712 fs/gfs2/ops_fstype.c:1321 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 mount_fs+0xae/0x328 fs/super.c:1222 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 ksys_mount+0x12d/0x140 fs/namespace.c:3063 SYSC_mount fs/namespace.c:3077 [inline] SyS_mount+0x35/0x50 fs/namespace.c:3074 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 ksys_mount+0x12d/0x140 fs/namespace.c:3063 SYSC_mount fs/namespace.c:3077 [inline] SyS_mount+0x35/0x50 fs/namespace.c:3074 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4430fa RSP: 002b:00007ffcdc6f2be8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004430fa RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffcdc6f2c00 RBP: 00000000006cb018 R08: 0000000020000540 R09: 000000000000000a R10: 0000000000000000 R11: 0000000000000297 R12: 6e5f6b636f6c3d6f entry_SYSCALL_64_after_hwframe+0x42/0xb7 R13: 746f72706b636f6c R14: 0030656c69662f2e R15: 0000000000000004 Code: RIP: 0033:0x4430fa RSP: 002b:00007ffcdc6f2be8 EFLAGS: 00000297 00 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004430fa 00 00 RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffcdc6f2c00 RBP: 00000000006cb018 R08: 0000000020000540 R09: 000000000000000a 00 R10: 0000000000000000 R11: 0000000000000297 R12: 6e5f6b636f6c3d6f R13: 746f72706b636f6c R14: 0030656c69662f2e R15: 0000000000000004 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 88 02 00 00 48 8b 13 48 c7 c6 a0 ad 41 88 48 c7 c7 00 ab 41 88 e8 30 d9 01 fa <0f> 0b e9 47 fb ff ff 4c 89 e7 e8 01 7f 6f fa e9 e2 f7 ff ff 4c ---[ end trace 4d6df1c828b229f2 ]--- Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..