general protection fault, probably for non-canonical address 0xeffffc0006296600: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x80000000314b3000-0x80000000314b3007]
CPU: 1 PID: 19972 Comm: syz-executor.2 Not tainted 5.10.56 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:strlen+0x1a/0x90 lib/string.c:568
Code: ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 fd 53 48 c1 ea 03 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 48 80 7d 00 00
RSP: 0018:ffff888054f07b58 EFLAGS: 00010292
RAX: dffffc0000000000 RBX: 1ffff1100a9e0f77 RCX: 0000000000000000
RDX: 1000000006296600 RSI: ffff888053e2b220 RDI: 80000000314b3007
RBP: 80000000314b3007 R08: 0000000000000000 R09: 0000000000000001
R10: fffffbfff0a89f69 R11: 0000000000000001 R12: ffff888054f07c38
R13: ffff888053e2b220 R14: 0000000000000000 R15: ffffffff84cfcb80
FS:  00007ff0e6d70700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff0e6d6fff8 CR3: 000000004c478000 CR4: 0000000000350ee0
Call Trace:
 strlen include/linux/string.h:321 [inline]
 trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
 perf_trace_lock_acquire+0xbc/0x590 include/trace/events/lock.h:13
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x3d8/0x490 kernel/locking/lockdep.c:5531
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x27/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:354 [inline]
 chroot_fs_refs+0x11c/0x630 fs/fs_struct.c:70
 __do_sys_pivot_root+0xee7/0x14b0 fs/namespace.c:3774
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff0e6d70188 EFLAGS: 00000246 ORIG_RAX: 000000000000009b
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd2ff8b45f R14: 00007ff0e6d70300 R15: 0000000000022000
Modules linked in:
---[ end trace ae7f893e412c89d8 ]---
RIP: 0010:strlen+0x1a/0x90 lib/string.c:568
Code: ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 fd 53 48 c1 ea 03 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 48 80 7d 00 00
RSP: 0018:ffff888054f07b58 EFLAGS: 00010292
RAX: dffffc0000000000 RBX: 1ffff1100a9e0f77 RCX: 0000000000000000
RDX: 1000000006296600 RSI: ffff888053e2b220 RDI: 80000000314b3007
RBP: 80000000314b3007 R08: 0000000000000000 R09: 0000000000000001
R10: fffffbfff0a89f69 R11: 0000000000000001 R12: ffff888054f07c38
R13: ffff888053e2b220 R14: 0000000000000000 R15: ffffffff84cfcb80
FS:  00007ff0e6d70700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff0e6d6fff8 CR3: 000000004c478000 CR4: 0000000000350ee0
note: syz-executor.2[19972] exited with preempt_count 4