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sysfs group 'power' not found for kobject 'uverbs0'
WARNING: CPU: 0 PID: 100 at fs/sysfs/group.c:279 sysfs_remove_group fs/sysfs/group.c:279 [inline]
WARNING: CPU: 0 PID: 100 at fs/sysfs/group.c:279 sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:270
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 100 Comm: kworker/u17:4 Not tainted 5.7.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Workqueue: events_unbound ib_unregister_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:sysfs_remove_group fs/sysfs/group.c:279 [inline]
RIP: 0010:sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:270
Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 60 07 3a 88 e8 f3 1b 5e ff <0f> 0b eb 95 e8 b2 1a cb ff e9 d2 fe ff ff 48 89 df e8 a5 1a cb ff
RSP: 0018:ffffc90000907ab0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff88936de0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cd4c7 RDI: fffff52000120f48
RBP: 0000000000000000 R08: ffff88802aabdac0 R09: ffffed10059c66a9
R10: ffff88802ce33547 R11: ffffed10059c66a8 R12: ffff88801d46a060
R13: ffffffff88937380 R14: ffff888014754580 R15: ffffffff8a41d120
 dpm_sysfs_remove+0x97/0xb0 drivers/base/power/sysfs.c:794
 device_del+0x18b/0xd30 drivers/base/core.c:2711
 cdev_device_del+0x15/0x80 fs/char_dev.c:573
 ib_uverbs_remove_one drivers/infiniband/core/uverbs_main.c:1207 [inline]
 ib_uverbs_remove_one+0x3f/0x4e0 drivers/infiniband/core/uverbs_main.c:1199
 remove_client_context+0xbe/0x110 drivers/infiniband/core/device.c:724
 disable_device+0x13b/0x230 drivers/infiniband/core/device.c:1270
 __ib_unregister_device+0x91/0x180 drivers/infiniband/core/device.c:1437
 ib_unregister_work+0x15/0x30 drivers/infiniband/core/device.c:1547
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351
Kernel Offset: disabled
Rebooting in 86400 seconds..