general protection fault, probably for non-canonical address 0xfff10c173258a422: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xff8880b992c52110-0xff8880b992c52117] CPU: 1 PID: 5021 Comm: syz-executor329 Not tainted 6.5.0-rc4-syzkaller-00009-g4b954598a47b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__rb_change_child include/linux/rbtree_augmented.h:173 [inline] RIP: 0010:__rb_rotate_set_parents lib/rbtree.c:81 [inline] RIP: 0010:____rb_erase_color lib/rbtree.c:256 [inline] RIP: 0010:rb_erase+0x530/0x1360 lib/rbtree.c:445 Code: 48 83 f8 03 48 89 03 48 89 5d 00 0f 86 b9 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 83 e0 fc 48 8d 78 10 48 89 fe 48 c1 ee 03 <80> 3c 16 00 0f 85 bb 0c 00 00 48 3b 68 10 0f 84 26 03 00 00 48 8d RSP: 0018:ffffc900001e0d90 EFLAGS: 00010016 RAX: ff8880b992c52100 RBX: ffffc90003a4f818 RCX: ffff8880b992b950 RDX: dffffc0000000000 RSI: 1ff110173258a422 RDI: ff8880b992c52110 RBP: ffff8880b992c520 R08: 0000000000000006 R09: ffff8880b992c521 R10: ffff8880b992c1b0 R11: ffffc900001e0ff8 R12: dffffc0000000000 R13: ffff8880b992c521 R14: ffff8880b992c521 R15: ffff8880b992c528 FS: 00005555562f9380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa5ff797000 CR3: 0000000029d93000 CR4: 0000000000350ee0 Call Trace: rb_erase_cached include/linux/rbtree.h:126 [inline] timerqueue_del+0x83/0x140 lib/timerqueue.c:57 __remove_hrtimer+0x99/0x290 kernel/time/hrtimer.c:1119 __run_hrtimer kernel/time/hrtimer.c:1668 [inline] __hrtimer_run_queues+0x55b/0xc10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline] __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:memmove+0x5f/0x1b0 arch/x86/lib/memmove_64.S:76 Code: 38 fe 74 47 48 83 ea 20 48 83 ea 20 4c 8b 1e 4c 8b 56 08 4c 8b 4e 10 4c 8b 46 18 48 8d 76 20 4c 89 1f 4c 89 57 08 4c 89 4f 10 <4c> 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 b4 00 00 00 66 66 2e RSP: 0018:ffffc9000390ef88 EFLAGS: 00000286 RAX: ffff888073e61fb4 RBX: 0000000000000002 RCX: ffff888073e61030 RDX: fffffffffd4d2600 RSI: ffff88807698f964 RDI: ffff88807698f954 RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff888073e61fa4 R15: 0000000000000010 leaf_paste_entries+0x43c/0x920 fs/reiserfs/lbalance.c:1377 balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline] balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline] balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline] balance_leaf+0x9476/0xcd90 fs/reiserfs/do_balan.c:1452 do_balance+0x337/0x840 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x62a/0x7c0 fs/reiserfs/stree.c:2157 reiserfs_add_entry+0x936/0xd60 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x68a/0x9a0 fs/reiserfs/namei.c:860 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x57f/0xbb0 fs/reiserfs/xattr.c:1006 reiserfs_fill_super+0x2139/0x3150 fs/reiserfs/super.c:2175 mount_bdev+0x30d/0x3d0 fs/super.c:1391 legacy_get_tree+0x109/0x220 fs/fs_context.c:611 vfs_get_tree+0x88/0x350 fs/super.c:1519 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa6077d7d7a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd88d77a68 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffd88d77a80 RCX: 00007fa6077d7d7a RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffd88d77a80 RBP: 0000000000000004 R08: 00007ffd88d77ac0 R09: 00000000000010f4 R10: 0000000000000080 R11: 0000000000000286 R12: 0000000000000080 R13: 00007ffd88d77ac0 R14: 0000000000000003 R15: 0000000000400000 Modules linked in: ---[ end trace 0000000000SeaBIOS (version 1.8.2-google) ---------------- Code disassembly (best guess): 0: 48 83 f8 03 cmp $0x3,%rax 4: 48 89 03 mov %rax,(%rbx) 7: 48 89 5d 00 mov %rbx,0x0(%rbp) b: 0f 86 b9 00 00 00 jbe 0xca 11: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 18: fc ff df 1b: 48 83 e0 fc and $0xfffffffffffffffc,%rax 1f: 48 8d 78 10 lea 0x10(%rax),%rdi 23: 48 89 fe mov %rdi,%rsi 26: 48 c1 ee 03 shr $0x3,%rsi * 2a: 80 3c 16 00 cmpb $0x0,(%rsi,%rdx,1) <-- trapping instruction 2e: 0f 85 bb 0c 00 00 jne 0xcef 34: 48 3b 68 10 cmp 0x10(%rax),%rbp 38: 0f 84 26 03 00 00 je 0x364 3e: 48 rex.W 3f: 8d .byte 0x8d