general protection fault, probably for non-canonical address 0xdffffc0011212328: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000089091940-0x0000000089091947] CPU: 0 PID: 13009 Comm: syz-executor.0 Not tainted 5.9.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:strlen+0x27/0x60 lib/string.c:544 Code: 44 00 00 41 57 41 56 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 48 89 fb 90 66 2e 0f 1f 84 00 00 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 0b 80 3b 00 48 8d 5b 01 75 e7 eb 13 89 d9 RSP: 0018:ffffc900094e7830 EFLAGS: 00010206 RAX: 0000000011212328 RBX: 0000000089091942 RCX: ffffffff815a32e4 RDX: ffffffff81a53477 RSI: ffff888000104258 RDI: 0000000089091942 RBP: ffffc900094e78c0 R08: dffffc0000000000 R09: fffffbfff131e2d6 R10: fffffbfff131e2d6 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff894fb740 R14: 0000000089091942 R15: dffffc0000000000 FS: 0000000002958940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a3b73 CR3: 000000000dc85000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: trace_event_get_offsets_lock include/trace/events/lock.h:39 [inline] perf_trace_lock+0x67/0x360 include/trace/events/lock.h:39 trace_lock_release+0xc5/0x1a0 include/trace/events/lock.h:58 lock_release+0x31/0x750 kernel/locking/lockdep.c:5017 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:183 spin_unlock include/linux/spinlock.h:394 [inline] copy_pte_range mm/memory.c:862 [inline] copy_pmd_range mm/memory.c:905 [inline] copy_pud_range mm/memory.c:939 [inline] copy_p4d_range mm/memory.c:961 [inline] copy_page_range+0x23c7/0x2950 mm/memory.c:1023 dup_mmap+0x982/0xd60 kernel/fork.c:592 dup_mm+0x98/0x320 kernel/fork.c:1354 copy_mm kernel/fork.c:1410 [inline] copy_process+0x1fdc/0x5200 kernel/fork.c:2069 _do_fork+0x1ab/0x6d0 kernel/fork.c:2428 __do_sys_clone kernel/fork.c:2545 [inline] __se_sys_clone kernel/fork.c:2529 [inline] __x64_sys_clone+0x1e9/0x230 kernel/fork.c:2529 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45bbca Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007fff4f030c90 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fff4f030c90 RCX: 000000000045bbca RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fff4f030cd0 R08: 0000000000000001 R09: 0000000002958940 R10: 0000000002958c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff4f030d20 Modules linked in: ---[ end trace 9a99d793239a6823 ]--- RIP: 0010:strlen+0x27/0x60 lib/string.c:544 Code: 44 00 00 41 57 41 56 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 48 89 fb 90 66 2e 0f 1f 84 00 00 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 0b 80 3b 00 48 8d 5b 01 75 e7 eb 13 89 d9 RSP: 0018:ffffc900094e7830 EFLAGS: 00010206 RAX: 0000000011212328 RBX: 0000000089091942 RCX: ffffffff815a32e4 RDX: ffffffff81a53477 RSI: ffff888000104258 RDI: 0000000089091942 RBP: ffffc900094e78c0 R08: dffffc0000000000 R09: fffffbfff131e2d6 R10: fffffbfff131e2d6 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff894fb740 R14: 0000000089091942 R15: dffffc0000000000 FS: 0000000002958940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a3b73 CR3: 000000000dc85000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600