smc: removing ib device syz0 ------------[ cut here ]------------ sysfs group 'pkeys' not found for kobject '1' WARNING: CPU: 1 PID: 442 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 442 Comm: kworker/u4:4 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound ib_unregister_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x4a kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279 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 37 48 8b 33 48 c7 c7 40 a4 5a 88 e8 6c ad 5b ff <0f> 0b eb 98 e8 f1 b4 ca ff e9 01 ff ff ff 48 89 df e8 e4 b4 ca ff RSP: 0018:ffffc90002007bb0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88805d406680 RCX: 0000000000000000 RDX: ffff8880a82a4340 RSI: ffffffff815dafc7 RDI: fffff52000400f68 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 0000000032343454 R12: ffff8880a68c0a00 R13: ffffffff88e7df60 R14: ffff8880a68c0a08 R15: ffff8880a23cb508 ib_free_port_attrs+0x30a/0x5b0 drivers/infiniband/core/sysfs.c:1341 remove_one_compat_dev drivers/infiniband/core/device.c:950 [inline] remove_compat_devs drivers/infiniband/core/device.c:962 [inline] disable_device+0x1d9/0x270 drivers/infiniband/core/device.c:1297 __ib_unregister_device+0x91/0x1a0 drivers/infiniband/core/device.c:1457 ib_unregister_work+0x15/0x30 drivers/infiniband/core/device.c:1569 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds..