REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop1): Using r5 hash to sort names REISERFS (device loop1): using 3.5.x disk format BUG: unable to handle page fault for address: ffff888010063000 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD 12201067 P4D 12201067 PUD 12202067 PMD 1424e063 PTE 8000000010063161 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5144 Comm: syz-executor352 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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 1a 49 89 f9 40 88 f0 48 89 d1 f3 aa 4c RSP: 0018:ffffc900032aefb0 EFLAGS: 00010283 RAX: ffff88800fec8fb4 RBX: 0000000000000002 RCX: ffffffffffe65f94 RDX: ffffffffffffffe0 RSI: ffff888010062ff0 RDI: ffff888010063000 RBP: 0000000000000020 R08: ffff88800fec8f84 R09: 0000000100000001 R10: 0004004800000002 R11: 0000000100000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88800fec8fa4 R15: 0000000000000010 FS: 000055555640a300(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888010063000 CR3: 0000000021ee6000 CR4: 0000000000350ef0 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:2157 reiserfs_add_entry+0x8cb/0xcf0 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x683/0x990 fs/reiserfs/namei.c:860 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x57e/0xbc0 fs/reiserfs/xattr.c:1006 reiserfs_fill_super+0x2129/0x2eb0 fs/reiserfs/super.c:2175 mount_bdev+0x358/0x420 fs/super.c:1380 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3039 [inline] path_mount+0x134b/0x1e40 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3568 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: 0033:0x7f4b40bda74a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe4bc50828 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b40bda74a RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffe4bc50840 RBP: 00007ffe4bc50840 R08: 00007ffe4bc50880 R09: 0000000000000000 R10: 0000000002000480 R11: 0000000000000286 R12: 0000000000000004 R13: 000055555640a2c0 R14: 0000000002000480 R15: 00007ffe4bc50880 Modules linked in: CR2: ffff888010063000 ---[ 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 1a 49 89 f9 40 88 f0 48 89 d1 f3 aa 4c RSP: 0018:ffffc900032aefb0 EFLAGS: 00010283 RAX: ffff88800fec8fb4 RBX: 0000000000000002 RCX: ffffffffffe65f94 RDX: ffffffffffffffe0 RSI: ffff888010062ff0 RDI: ffff888010063000 RBP: 0000000000000020 R08: ffff88800fec8f84 R09: 0000000100000001 R10: 0004004800000002 R11: 0000000100000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88800fec8fa4 R15: 0000000000000010 FS: 000055555640a300(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888010063000 CR3: 0000000021ee6000 CR4: 0000000000350ef0 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 1a jmp 0x4e 34: 49 89 f9 mov %rdi,%r9 37: 40 88 f0 mov %sil,%al 3a: 48 89 d1 mov %rdx,%rcx 3d: f3 aa rep stos %al,%es:(%rdi) 3f: 4c rex.WR