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WARNING: CPU: 1 PID: 25603 at fs/proc/generic.c:178 __xlate_proc_name fs/proc/generic.c:178 [inline]
WARNING: CPU: 1 PID: 25603 at fs/proc/generic.c:178 __xlate_proc_name+0xe7/0x110 fs/proc/generic.c:161
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 25603 Comm: kworker/1:1 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: afs afs_manage_cell
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:__xlate_proc_name fs/proc/generic.c:178 [inline]
RIP: 0010:__xlate_proc_name+0xe7/0x110 fs/proc/generic.c:161
Code: cf e6 90 ff 44 89 e0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b8 e6 90 ff 4c 89 fe 48 c7 c7 00 03 39 88 e8 38 96 61 ff <0f> 0b 41 bc fe ff ff ff eb cb 4c 89 f7 e8 17 a5 ce ff e9 3d ff ff
RSP: 0018:ffffc90014eb79d0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888091104949 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815e53a6 RDI: fffff520029d6f2c
RBP: ffffc90014eb7a00 R08: ffff8880963d6380 R09: ffffed1015d245c9
R10: ffffed1015d245c8 R11: ffff8880ae922e43 R12: 0000000000000000
R13: ffff888091104939 R14: ffffc90014eb7b08 R15: ffff888091104939
 xlate_proc_name fs/proc/generic.c:194 [inline]
 __proc_create+0xac/0x860 fs/proc/generic.c:387
 proc_mkdir_data+0xbc/0x1b0 fs/proc/generic.c:473
 proc_net_mkdir include/linux/proc_fs.h:139 [inline]
 afs_proc_cell_setup+0x95/0x190 fs/afs/proc.c:610
 afs_activate_cell fs/afs/cell.c:591 [inline]
 afs_manage_cell+0x54b/0x1410 fs/afs/cell.c:673
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..