REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal REISERFS (device loop0): using ordered data mode reiserfs: using flush barriers REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 4294967295, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): using 3.5.x disk format BUG: unable to handle page fault for address: ffff8880bfffd000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 12201067 P4D 12201067 PUD 23ffff067 PMD 23fffe067 PTE 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5077 Comm: syz-executor308 Not tainted 6.2.0-rc7-next-20230208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:memmove+0x1ac/0x1b0 arch/x86/lib/memmove_64.S:213 Code: fa 02 72 16 66 44 8b 1e 66 44 8b 54 16 fe 66 44 89 1f 66 44 89 54 17 fe eb 0c 48 83 fa 01 72 06 44 8a 1e 44 88 1f c3 48 89 d1 a4 c3 90 f3 0f 1e fa eb 3a 0f 1f 00 49 89 f9 48 89 d1 83 e2 07 RSP: 0018:ffffc90003c2efb0 EFLAGS: 00010286 RAX: ffff8880bfe79fb4 RBX: 0000000000000002 RCX: ffffffffffe7cf94 RDX: ffffffffffffffe0 RSI: ffff8880bfffcff0 RDI: ffff8880bfffd000 RBP: 0000000000000020 R08: ffff8880bfe79f84 R09: 0000000100000601 R10: 0004004800000002 R11: 0000000100000601 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880bfe79fa4 R15: 0000000000000010 FS: 0000555556a76300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880bfffd000 CR3: 0000000028bbd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: leaf_paste_entries+0x44d/0x910 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+0x9853/0xddc0 fs/reiserfs/do_balan.c:1452 do_balance+0x319/0x810 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x74b/0x8d0 fs/reiserfs/stree.c:2159 reiserfs_add_entry+0x8cb/0xcf0 fs/reiserfs/namei.c:567 reiserfs_mkdir+0x683/0x990 fs/reiserfs/namei.c:862 xattr_mkdir fs/reiserfs/xattr.c:76 [inline] create_privroot fs/reiserfs/xattr.c:882 [inline] reiserfs_xattr_init+0x57e/0xc30 fs/reiserfs/xattr.c:1005 reiserfs_fill_super+0x2127/0x2ea0 fs/reiserfs/super.c:2175 mount_bdev+0x351/0x410 fs/super.c:1372 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1502 do_new_mount fs/namespace.c:3042 [inline] path_mount+0x1342/0x1e40 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8db09b860a Code: 48 00 04 00 01 06 00 00 01 00 00 00 02 00 00 00 48 00 04 00 01 06 00 00 01 00 00 00 02 00 00 00 48 00 04 00 01 06 00 00 01 00 <00> 00 02 00 00 00 48 00 04 00 01 06 00 00 01 00 00 00 02 00 00 00 RSP: 002b:00007ffc99f23688 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8db09b860a RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffc99f236a0 RBP: 00007ffc99f236a0 R08: 00007ffc99f236e0 R09: 00000000000010f3 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 0000555556a762c0 R14: 0000000000000000 R15: 00007ffc99f236e0 Modules linked in: CR2: ffff8880bfffd000 ---[ end trace 0000000000000000 ]--- RIP: 0010:memmove+0x1ac/0x1b0 arch/x86/lib/memmove_64.S:213 Code: fa 02 72 16 66 44 8b 1e 66 44 8b 54 16 fe 66 44 89 1f 66 44 89 54 17 fe eb 0c 48 83 fa 01 72 06 44 8a 1e 44 88 1f c3 48 89 d1 a4 c3 90 f3 0f 1e fa eb 3a 0f 1f 00 49 89 f9 48 89 d1 83 e2 07 RSP: 0018:ffffc90003c2efb0 EFLAGS: 00010286 RAX: ffff8880bfe79fb4 RBX: 0000000000000002 RCX: ffffffffffe7cf94 RDX: ffffffffffffffe0 RSI: ffff8880bfffcff0 RDI: ffff8880bfffd000 RBP: 0000000000000020 R08: ffff8880bfe79f84 R09: 0000000100000601 R10: 0004004800000002 R11: 0000000100000601 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880bfe79fa4 R15: 0000000000000010 FS: 0000555556a76300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880bfffd000 CR3: 0000000028bbd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fa cli 1: 02 72 16 add 0x16(%rdx),%dh 4: 66 44 8b 1e mov (%rsi),%r11w 8: 66 44 8b 54 16 fe mov -0x2(%rsi,%rdx,1),%r10w e: 66 44 89 1f mov %r11w,(%rdi) 12: 66 44 89 54 17 fe mov %r10w,-0x2(%rdi,%rdx,1) 18: eb 0c jmp 0x26 1a: 48 83 fa 01 cmp $0x1,%rdx 1e: 72 06 jb 0x26 20: 44 8a 1e mov (%rsi),%r11b 23: 44 88 1f mov %r11b,(%rdi) 26: c3 retq 27: 48 89 d1 mov %rdx,%rcx * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: c3 retq 2d: 90 nop 2e: f3 0f 1e fa endbr64 32: eb 3a jmp 0x6e 34: 0f 1f 00 nopl (%rax) 37: 49 89 f9 mov %rdi,%r9 3a: 48 89 d1 mov %rdx,%rcx 3d: 83 e2 07 and $0x7,%edx