REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names reiserfs: enabling write barrier flush mode BUG: unable to handle kernel paging request at 0000034000000270 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 2974 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:ip6t_do_table+0xab/0x490 net/ipv6/netfilter/ip6_tables.c:289 Code: 83 ff 8b 45 9c 65 01 05 f3 15 23 7e 49 8b 7f 18 49 89 ff 48 89 7d 90 e8 93 72 83 ff 49 8b 57 38 49 8d 77 40 89 c0 48 89 75 88 <48> 8b 04 c2 48 89 45 80 0f 1f 44 00 00 48 8b 45 90 c7 45 98 00 00 RSP: 0018:ffff88013ba03c18 EFLAGS: 00010206 RAX: 0000000000000000 RBX: ffff88023a5d9000 RCX: ffff88013ba03d60 RDX: 0000034000000270 RSI: ffff88012edf0040 RDI: ffffffff828e89a6 RBP: ffff88013ba03cb0 R08: 0000000000000002 R09: 00000000a4082167 R10: 0000000000000000 R11: ffffffff8260c2a8 R12: ffff8801365f0b00 R13: 0000000000000003 R14: ffffffff8260c2a8 R15: ffff88012edf0000 FS: 00007f68c1a326c0(0000) GS:ffff88013ba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000034000000270 CR3: 0000000135711000 CR4: 0000000000340ef0 Call Trace: ip6t_mangle_out net/ipv6/netfilter/ip6table_mangle.c:55 [inline] ip6table_mangle_hook+0x90/0x110 net/ipv6/netfilter/ip6table_mangle.c:77 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0x3d/0xc0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] mld_sendpack+0x2df/0x360 net/ipv6/mcast.c:1683 mld_send_cr net/ipv6/mcast.c:1979 [inline] mld_ifc_timer_expire+0x1af/0x300 net/ipv6/mcast.c:2478 call_timer_fn+0x91/0x220 kernel/time/timer.c:1326 expire_timers+0xe3/0x160 kernel/time/timer.c:1363 __run_timers kernel/time/timer.c:1682 [inline] run_timer_softirq+0x91/0x180 kernel/time/timer.c:1695 __do_softirq+0x12a/0x378 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0xad/0xd0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xac/0x1d0 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:__memmove+0x4c/0x1a0 arch/x86/lib/memmove_64.S:71 Code: 0f 1f 44 00 00 48 81 fa a8 02 00 00 72 05 40 38 fe 74 3b 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 RSP: 0018:ffffc900012cf610 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffff88012d8ddfb4 RBX: ffff88012d8ddf84 RCX: 0000000000000000 RDX: fffffffffb7661e0 RSI: ffff880132177d64 RDI: ffff880132177d74 RBP: ffffc900012cf660 R08: 0000000000000000 R09: 0000000000000000 R10: 0000010000000000 R11: 0000000400000000 R12: ffffc900012cfc08 R13: ffff88012d8ddf84 R14: 0000000000000010 R15: ffff88012d8ddfa4 balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1306 [inline] balance_leaf_finish_node_paste.isra.15+0x117/0x250 fs/reiserfs/do_balan.c:1332 balance_leaf_finish_node fs/reiserfs/do_balan.c:1375 [inline] balance_leaf fs/reiserfs/do_balan.c:1463 [inline] do_balance+0x787/0x13d0 fs/reiserfs/do_balan.c:1899 reiserfs_paste_into_item+0x235/0x270 fs/reiserfs/stree.c:2142 reiserfs_add_entry+0x2f4/0x410 fs/reiserfs/namei.c:563 reiserfs_mkdir+0x204/0x300 fs/reiserfs/namei.c:855 xattr_mkdir fs/reiserfs/xattr.c:76 [inline] create_privroot fs/reiserfs/xattr.c:859 [inline] reiserfs_xattr_init+0x111/0x2e1 fs/reiserfs/xattr.c:978 reiserfs_remount+0x504/0x5cc fs/reiserfs/super.c:1598 do_remount_sb+0x115/0x1c0 fs/super.c:888 do_remount fs/namespace.c:2278 [inline] do_mount+0x7a2/0xdc0 fs/namespace.c:2778 ksys_mount+0xb1/0xd0 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0x20/0x30 fs/namespace.c:3014 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f68c1eb122a Code: 40 48 89 44 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 0f 1f 84 00 00 00 <00> 00 0f 1f 40 00 49 89 ca b8 0f 1f 84 00 00 00 00 00 0f 1f 40 00 RSP: 002b:00007f68c1a31ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f68c1a31f80 RCX: 00007f68c1eb122a RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00000000200000c0 R08: 00007f68c1a31f80 R09: 0000000001a484bc R10: 0000000001a484bc R11: 0000000000000246 R12: 0000000020000100 R13: 00007f68c1a31f40 R14: 0000000000000000 R15: 0000000020000d80 Modules linked in: CR2: 0000034000000270 ---[ end trace 40ae103627f7ed86 ]--- invalid opcode: 0000 [#2] PREEMPT SMP RIP: 0010:ip6t_do_table+0xab/0x490 net/ipv6/netfilter/ip6_tables.c:289 CPU: 1 PID: 10 Comm: rcu_preempt Tainted: G D 4.19.0-syzkaller #0 Code: 83 ff 8b 45 9c 65 01 05 f3 15 23 7e 49 8b 7f 18 49 89 ff 48 89 7d 90 e8 93 72 83 ff 49 8b 57 38 49 8d 77 40 89 c0 48 89 75 88 <48> 8b 04 c2 48 89 45 80 0f 1f 44 00 00 48 8b 45 90 c7 45 98 00 00 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RSP: 0018:ffff88013ba03c18 EFLAGS: 00010206 RIP: 0010:__phys_addr+0x37/0x50 arch/x86/mm/physaddr.c:27 Code: 89 c2 72 28 48 b8 00 00 00 00 00 78 00 00 48 01 f8 48 39 c2 72 14 0f b6 0d 5f 9c e0 01 48 89 c2 48 d3 ea 48 85 d2 75 02 5d c3 <0f> 0b 48 8b 05 d0 82 bc 01 48 01 d0 48 81 fa ff ff ff 1f 76 e9 0f RAX: 0000000000000000 RBX: ffff88023a5d9000 RCX: ffff88013ba03d60 RSP: 0018:ffffc90000c9fcb0 EFLAGS: 00010287 RDX: 0000034000000270 RSI: ffff88012edf0040 RDI: ffffffff828e89a6 RBP: ffff88013ba03cb0 R08: 0000000000000002 R09: 00000000a4082167 RAX: 00007800fffff000 RBX: ffffea0000000000 RCX: 0000000000000000 R10: 0000000000000000 R11: ffffffff8260c2a8 R12: ffff8801365f0b00 RDX: 000000017ffff000 RSI: 0000000000000000 RDI: 00000000fffff000 R13: 0000000000000003 R14: ffffffff8260c2a8 R15: ffff88012edf0000 RBP: ffffc90000c9fcb0 R08: 0000000000000000 R09: 0000000000000000 FS: 00007f68c1a326c0(0000) GS:ffff88013ba00000(0000) knlGS:0000000000000000 R10: ffff880139fe8000 R11: 0000000000000000 R12: 00000000fffff000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff88012ede8000 R14: ffff880139fe8000 R15: 0000000000000000 CR2: 0000034000000270 CR3: 0000000135711000 CR4: 0000000000340ef0 FS: 0000000000000000(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000 ---------------- Code disassembly (best guess): 0: 83 ff 8b cmp $0xffffff8b,%edi 3: 45 9c rex.RB pushf 5: 65 01 05 f3 15 23 7e add %eax,%gs:0x7e2315f3(%rip) # 0x7e2315ff c: 49 8b 7f 18 mov 0x18(%r15),%rdi 10: 49 89 ff mov %rdi,%r15 13: 48 89 7d 90 mov %rdi,-0x70(%rbp) 17: e8 93 72 83 ff call 0xff8372af 1c: 49 8b 57 38 mov 0x38(%r15),%rdx 20: 49 8d 77 40 lea 0x40(%r15),%rsi 24: 89 c0 mov %eax,%eax 26: 48 89 75 88 mov %rsi,-0x78(%rbp) * 2a: 48 8b 04 c2 mov (%rdx,%rax,8),%rax <-- trapping instruction 2e: 48 89 45 80 mov %rax,-0x80(%rbp) 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 48 8b 45 90 mov -0x70(%rbp),%rax 3b: c7 .byte 0xc7 3c: 45 98 rex.RB cwtl