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RBP: 000000000072bea0 R08: 0000000020000080 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000022 ------------[ cut here ]------------ refcount_t: increment on 0; use-after-free. WARNING: CPU: 1 PID: 13294 at lib/refcount.c:153 refcount_inc+0x47/0x50 lib/refcount.c:153 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13294 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x1f4/0x2b0 lib/bug.c:186 fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:refcount_inc+0x47/0x50 lib/refcount.c:153 RSP: 0018:ffff8801b6e6f3c0 EFLAGS: 00010286 RAX: dffffc0000000008 RBX: ffff8801b315e0c4 RCX: ffffffff815b423e RDX: 0000000000005ca2 RSI: ffffc900038ad000 RDI: 1ffff10036dcddfd RBP: ffff8801b6e6f3c8 R08: ffffffff88583118 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff10036dcde7c R13: ffff8801b315e0c0 R14: 0000000000000011 R15: ffff8801d6bd6a08 get_net include/net/net_namespace.h:204 [inline] nfs_alloc_client+0x452/0x710 fs/nfs/client.c:183 nfs_get_client+0x7e2/0x13d0 fs/nfs/client.c:430 nfs_init_server+0x358/0xf30 fs/nfs/client.c:670 nfs_create_server+0x84/0x550 fs/nfs/client.c:953 nfs_try_mount+0x147/0x9d0 fs/nfs/super.c:1884 nfs_fs_mount+0xe9b/0x2d50 fs/nfs/super.c:2695 mount_fs+0x66/0x2d0 fs/super.c:1222 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455269 RSP: 002b:00007f2aba3f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2aba3f36d4 RCX: 0000000000455269 RDX: 000000002015bffc RSI: 0000000020343ff8 RDI: 0000000020dba000 RBP: 000000000072bea0 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000400 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/04/01 16:59 | bpf-next | 7828f20e3779 | dc889257 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2018/03/31 13:46 | bpf-next | 7828f20e3779 | 8fbce0e4 | .config | console log | report | ci-upstream-bpf-next-kasan-gce |