smc: removing ib device syz0 ------------[ cut here ]------------ sysfs group 'pkeys' not found for kobject '1' WARNING: CPU: 0 PID: 25 at fs/sysfs/group.c:279 sysfs_remove_group fs/sysfs/group.c:279 [inline] WARNING: CPU: 0 PID: 25 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: 25 Comm: kworker/u4:2 Not tainted 5.7.0-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+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 20 47 3a 88 e8 b3 df 5c ff <0f> 0b eb 95 e8 02 f1 ca ff e9 d2 fe ff ff 48 89 df e8 f5 f0 ca ff RSP: 0018:ffffc90000e27ba8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880a10b3c78 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815d5ba7 RDI: fffff520001c4f67 RBP: 0000000000000000 R08: ffff8880a90380c0 R09: ffffed1015cc45f2 R10: ffff8880ae622f8b R11: ffffed1015cc45f1 R12: ffff8880a10b3c00 R13: ffffffff88c5b1e0 R14: ffff8880a10b3c08 R15: ffffed100a63f8d4 ib_free_port_attrs+0x257/0x4f0 drivers/infiniband/core/sysfs.c:1322 remove_one_compat_dev+0x4a/0x70 drivers/infiniband/core/device.c:939 remove_compat_devs drivers/infiniband/core/device.c:951 [inline] disable_device+0x1ab/0x230 drivers/infiniband/core/device.c:1282 __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..