Oops: general protection fault, probably for non-canonical address 0xdffffc0100000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000000800000008-0x000000080000000f] CPU: 0 UID: 0 PID: 5523 Comm: syz-executor.0 Not tainted 6.11.0-rc7-next-20240912-syzkaller-g57f962b956f1-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__hlist_del include/linux/list.h:990 [inline] RIP: 0010:hlist_del_init_rcu include/linux/rculist.h:184 [inline] RIP: 0010:__remove_inode_hash fs/inode.c:683 [inline] RIP: 0010:remove_inode_hash include/linux/fs.h:3211 [inline] RIP: 0010:evict+0x64f/0x9b0 fs/inode.c:816 Code: 4c 89 ff e8 e3 3d e6 ff 4d 89 27 4d 85 e4 74 61 e8 06 c1 7c ff 49 83 c4 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 b3 3d e6 ff 4d 89 3c 24 eb 38 e8 d8 RSP: 0018:ffffc900045e7b00 EFLAGS: 00010202 RAX: 0000000100000001 RBX: 1ffff1100ee8d7a1 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900045e7a80 RBP: ffffc900045e7c30 R08: 0000000000000003 R09: fffff520008bcf50 R10: dffffc0000000000 R11: fffff520008bcf50 R12: 0000000800000008 R13: ffff88807746bc00 R14: ffff88807746bd08 R15: ffffc90000ee0b98 FS: 00005555910cd480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555910d6938 CR3: 000000001f888000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dispose_list fs/inode.c:857 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:911 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1696 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6f0ba7f1d7 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc80abfd68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6f0ba7f1d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc80abfe20 RBP: 00007ffc80abfe20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc80ac0ee0 R13: 00007f6f0bac93b9 R14: 000000000001401c R15: 0000000000000004 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__hlist_del include/linux/list.h:990 [inline] RIP: 0010:hlist_del_init_rcu include/linux/rculist.h:184 [inline] RIP: 0010:__remove_inode_hash fs/inode.c:683 [inline] RIP: 0010:remove_inode_hash include/linux/fs.h:3211 [inline] RIP: 0010:evict+0x64f/0x9b0 fs/inode.c:816 Code: 4c 89 ff e8 e3 3d e6 ff 4d 89 27 4d 85 e4 74 61 e8 06 c1 7c ff 49 83 c4 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 b3 3d e6 ff 4d 89 3c 24 eb 38 e8 d8 RSP: 0018:ffffc900045e7b00 EFLAGS: 00010202 RAX: 0000000100000001 RBX: 1ffff1100ee8d7a1 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900045e7a80 RBP: ffffc900045e7c30 R08: 0000000000000003 R09: fffff520008bcf50 R10: dffffc0000000000 R11: fffff520008bcf50 R12: 0000000800000008 R13: ffff88807746bc00 R14: ffff88807746bd08 R15: ffffc90000ee0b98 FS: 00005555910cd480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555910d6938 CR3: 000000001f888000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4c 89 ff mov %r15,%rdi 3: e8 e3 3d e6 ff call 0xffe63deb 8: 4d 89 27 mov %r12,(%r15) b: 4d 85 e4 test %r12,%r12 e: 74 61 je 0x71 10: e8 06 c1 7c ff call 0xff7cc11b 15: 49 83 c4 08 add $0x8,%r12 19: 4c 89 e0 mov %r12,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 e7 mov %r12,%rdi 33: e8 b3 3d e6 ff call 0xffe63deb 38: 4d 89 3c 24 mov %r15,(%r12) 3c: eb 38 jmp 0x76 3e: e8 .byte 0xe8 3f: d8 .byte 0xd8