Oops: general protection fault, probably for non-canonical address 0xe5ee6a4caecd2e4c: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x2f73726576697260-0x2f73726576697267]
CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.15.0-rc6-syzkaller-00182-g293e38ff4e4c #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: netns cleanup_net
RIP: 0010:sysfs_remove_group+0x47/0x2c0 fs/sysfs/group.c:310
Code: ff df e8 5c 69 63 ff 4d 8d 77 30 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 93 62 c5 ff 4d 8b 36 49 89 dc 49 c1 ec 03 <41> 80 3c 2c 00 74 08 48 89 df e8 7a 62 c5 ff 48 8b 33 48 85 f6 74
RSP: 0018:ffffc90000127830 EFLAGS: 00010203
RAX: 1ffff11005b4b706 RBX: 2f73726576697264 RCX: ffff88801c6d0000
RDX: 0000000000000000 RSI: 2f73726576697264 RDI: ffff88802da5b800
RBP: dffffc0000000000 R08: ffff8880266af963 R09: 1ffff11004cd5f2c
R10: dffffc0000000000 R11: ffffed1004cd5f2d R12: 05ee6e4caecd2e4c
R13: dffffc0000000000 R14: ffff8880266af960 R15: ffff88802da5b800
FS:  0000000000000000(0000) GS:ffff8881261c7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9637046e9c CR3: 000000007c946000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sysfs_remove_groups+0x54/0xb0 fs/sysfs/group.c:346
 __kobject_del+0x84/0x300 lib/kobject.c:595
 kobject_del+0x45/0x60 lib/kobject.c:627
 destroy_port drivers/infiniband/core/sysfs.c:1279 [inline]
 ib_free_port_attrs+0x289/0x3b0 drivers/infiniband/core/sysfs.c:1408
 remove_one_compat_dev drivers/infiniband/core/device.c:1001 [inline]
 rdma_dev_exit_net+0x1d8/0x340 drivers/infiniband/core/device.c:1139
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x717/0xbd0 net/core/net_namespace.c:654
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17a0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:sysfs_remove_group+0x47/0x2c0 fs/sysfs/group.c:310
Code: ff df e8 5c 69 63 ff 4d 8d 77 30 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 93 62 c5 ff 4d 8b 36 49 89 dc 49 c1 ec 03 <41> 80 3c 2c 00 74 08 48 89 df e8 7a 62 c5 ff 48 8b 33 48 85 f6 74
RSP: 0018:ffffc90000127830 EFLAGS: 00010203
RAX: 1ffff11005b4b706 RBX: 2f73726576697264 RCX: ffff88801c6d0000
RDX: 0000000000000000 RSI: 2f73726576697264 RDI: ffff88802da5b800
RBP: dffffc0000000000 R08: ffff8880266af963 R09: 1ffff11004cd5f2c
R10: dffffc0000000000 R11: ffffed1004cd5f2d R12: 05ee6e4caecd2e4c
R13: dffffc0000000000 R14: ffff8880266af960 R15: ffff88802da5b800
FS:  0000000000000000(0000) GS:ffff8881261c7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558a572b0000 CR3: 0000000032c66000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	df e8                	fucomip %st(0),%st
   2:	5c                   	pop    %rsp
   3:	69 63 ff 4d 8d 77 30 	imul   $0x30778d4d,-0x1(%rbx),%esp
   a:	4c 89 f0             	mov    %r14,%rax
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
  15:	74 08                	je     0x1f
  17:	4c 89 f7             	mov    %r14,%rdi
  1a:	e8 93 62 c5 ff       	call   0xffc562b2
  1f:	4d 8b 36             	mov    (%r14),%r14
  22:	49 89 dc             	mov    %rbx,%r12
  25:	49 c1 ec 03          	shr    $0x3,%r12
* 29:	41 80 3c 2c 00       	cmpb   $0x0,(%r12,%rbp,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 7a 62 c5 ff       	call   0xffc562b2
  38:	48 8b 33             	mov    (%rbx),%rsi
  3b:	48 85 f6             	test   %rsi,%rsi
  3e:	74                   	.byte 0x74