general protection fault, probably for non-canonical address 0xe0ffff8881205622: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x08001c440902b110-0x08001c440902b117] CPU: 1 PID: 1495 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:qlist_move_cache mm/kasan/quarantine.c:299 [inline] RIP: 0010:kasan_quarantine_remove_cache+0xe6/0x1f0 mm/kasan/quarantine.c:348 Code: 00 00 80 7f 77 00 00 eb 21 8b 7f 18 49 89 10 48 89 51 08 48 c7 02 00 00 00 00 48 01 79 10 48 89 f2 48 85 f6 0f 84 68 ff ff ff <48> 8b 32 4c 89 d7 4c 39 ca 76 07 48 8b 3d 68 25 b8 04 48 01 d7 48 RSP: 0018:ffffc90000a37c08 EFLAGS: 00010086 RAX: 0000000000000a02 RBX: ffff88810fda2180 RCX: ffffffff87102050 RDX: e0ffff8881205622 RSI: e0ffff8881205622 RDI: 0000000000001100 RBP: ffffc90000a37c30 R08: ffff8881075aa000 R09: ffffffff7fffffff R10: 0000777f80000000 R11: fffff52000146f6c R12: ffffea0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000010e FS: 0000555589a5a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555589a7d948 CR3: 000000012c55d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_cache_shutdown+0x19/0x20 mm/kasan/generic.c:207 shutdown_cache mm/slab_common.c:464 [inline] kmem_cache_destroy+0x48/0x140 mm/slab_common.c:512 p9_client_destroy+0x3bc/0x410 net/9p/client.c:1112 v9fs_session_close+0x4e/0x1c0 fs/9p/v9fs.c:501 v9fs_kill_super+0x5c/0x90 fs/9p/vfs_super.c:226 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f8246667397 Code: a2 c7 05 5c 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffcc0478298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8246667397 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0478350 RBP: 00007ffcc0478350 R08: 00007ffcc0479350 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc04793e0 R13: 00007f82466fc48b R14: 000000000001e1b9 R15: 00007ffcc0479420 Modules linked in: ---[ end trace c4673ad2eeda4ee4 ]--- RIP: 0010:qlist_move_cache mm/kasan/quarantine.c:299 [inline] RIP: 0010:kasan_quarantine_remove_cache+0xe6/0x1f0 mm/kasan/quarantine.c:348 Code: 00 00 80 7f 77 00 00 eb 21 8b 7f 18 49 89 10 48 89 51 08 48 c7 02 00 00 00 00 48 01 79 10 48 89 f2 48 85 f6 0f 84 68 ff ff ff <48> 8b 32 4c 89 d7 4c 39 ca 76 07 48 8b 3d 68 25 b8 04 48 01 d7 48 RSP: 0018:ffffc90000a37c08 EFLAGS: 00010086 RAX: 0000000000000a02 RBX: ffff88810fda2180 RCX: ffffffff87102050 RDX: e0ffff8881205622 RSI: e0ffff8881205622 RDI: 0000000000001100 RBP: ffffc90000a37c30 R08: ffff8881075aa000 R09: ffffffff7fffffff R10: 0000777f80000000 R11: fffff52000146f6c R12: ffffea0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000010e FS: 0000555589a5a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555589a7d948 CR3: 000000012c55d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 80 7f 77 00 cmpb $0x0,0x77(%rdi) 6: 00 eb add %ch,%bl 8: 21 8b 7f 18 49 89 and %ecx,-0x76b6e781(%rbx) e: 10 48 89 adc %cl,-0x77(%rax) 11: 51 push %rcx 12: 08 48 c7 or %cl,-0x39(%rax) 15: 02 00 add (%rax),%al 17: 00 00 add %al,(%rax) 19: 00 48 01 add %cl,0x1(%rax) 1c: 79 10 jns 0x2e 1e: 48 89 f2 mov %rsi,%rdx 21: 48 85 f6 test %rsi,%rsi 24: 0f 84 68 ff ff ff je 0xffffff92 * 2a: 48 8b 32 mov (%rdx),%rsi <-- trapping instruction 2d: 4c 89 d7 mov %r10,%rdi 30: 4c 39 ca cmp %r9,%rdx 33: 76 07 jbe 0x3c 35: 48 8b 3d 68 25 b8 04 mov 0x4b82568(%rip),%rdi # 0x4b825a4 3c: 48 01 d7 add %rdx,%rdi 3f: 48 rex.W